| 1987 | :January;1987 | A51-149-1987-1.pdf (PDF, 45.80 MB). |
| 1987 | :February/March;1987 | A51-149-1987-3.pdf (PDF, 75.00 MB). |
| 1986 | :January;1986 | A51-149-1986-1.pdf (PDF, 44.30 MB). |
| 1986 | :February;1986 | A51-149-1986-2.pdf (PDF, 55.30 MB). |
| 1986 | :March/April;1986 | A51-149-1986-4.pdf (PDF, 43.20 MB). |
| 1986 | :June;1986 | A51-149-1986-6.pdf (PDF, 121 MB). |
| 1986 | :July;1986 | A51-149-1986-7.pdf (PDF, 48.70 MB). |
| 1986 | :August;1986 | A51-149-1986-8.pdf (PDF, 49.00 MB). |
| 1986 | :September/October;1986 | A51-149-1986-10.pdf (PDF, 31.60 MB). |
| 1986 | :November;1986 | A51-149-1986-11.pdf (PDF, 50.70 MB). |
| 1986 | :December;1986 | A51-149-1986-12.pdf (PDF, 52.70 MB). |
| 1985 | :January;1985 | A51-149-1985-1.pdf (PDF, 33.60 MB). |
| 1985 | :February;1985 | A51-149-1985-2.pdf (PDF, 39.90 MB). |
| 1985 | :March;1985 | A51-149-1985-3.pdf (PDF, 27.80 MB). |
| 1985 | :April;1985 | A51-149-1985-4.pdf (PDF, 34.90 MB). |
| 1985 | :May;1985 | A51-149-1985-5.pdf (PDF, 27.50 MB). |
| 1985 | :June/July;1985 | A51-149-1985-7.pdf (PDF, 50.50 MB). |
| 1985 | :August;1985 | A51-149-1985-8.pdf (PDF, 33.60 MB). |
| 1985 | :September;1985 | A51-149-1985-9.pdf (PDF, 31.00 MB). |
| 1985 | :October;1985 | A51-149-1985-10.pdf (PDF, 49.30 MB). |
| 1985 | :November/December;1985 | A51-149-1985-12.pdf (PDF, 46.30 MB). |
| 1984 | :January/February;1984 | A51-149-1984-2.pdf (PDF, 55.90 MB). |
| 1984 | :March;1984 | A51-149-1984-3.pdf (PDF, 33.40 MB). |
| 1984 | :April;1984 | A51-149-1984-4.pdf (PDF, 30.50 MB). |
| 1984 | :May;1984 | A51-149-1984-5.pdf (PDF, 30.30 MB). |
| 1984 | :June;1984 | A51-149-1984-6.pdf (PDF, 30.10 MB). |
| 1984 | :July/August;1984 | A51-149-1984-8.pdf (PDF, 32.40 MB). |
| 1984 | :September;1984 | A51-149-1984-9.pdf (PDF, 48.30 MB). |
| 1984 | :October/November;1984 | A51-149-1984-11.pdf (PDF, 59.10 MB). |
| 1984 | :December;1984 | A51-149-1984-12.pdf (PDF, 43.50 MB). |
| 1983 | :January;1983 | A51-149-1983-1.pdf (PDF, 32.20 MB). |
| 1983 | :February;1983 | A51-149-1983-2.pdf (PDF, 32.30 MB). |
| 1983 | :March;1983 | A51-149-1983-3.pdf (PDF, 36.70 MB). |
| 1983 | :April;1983 | A51-149-1983-4.pdf (PDF, 31.70 MB). |
| 1983 | :May;1983 | A51-149-1983-5.pdf (PDF, 33.20 MB). |
| 1983 | :June;1983 | A51-149-1983-6.pdf (PDF, 38.60 MB). |
| 1983 | :July/August;1983 | A51-149-1983-8.pdf (PDF, 36.00 MB). |
| 1983 | :September;1983 | A51-149-1983-9.pdf (PDF, 45.50 MB). |
| 1983 | :October/November;1983 | A51-149-1983-11.pdf (PDF, 54.70 MB). |
| 1983 | :December;1983 (Special Issue) | A51-149-1983-12-1.pdf (PDF, 32.50 MB). |
| 1982 | :January;1982 | A51-149-1982-1.pdf (PDF, 53.60 MB). |
| 1982 | :February/March/April;1982 | A51-149-1982-4.pdf (PDF, 55.50 MB). |
| 1982 | :May/June;1982 | A51-149-1982-6.pdf (PDF, 39.70 MB). |
| 1982 | :July/August;1982 | A51-149-1982-8.pdf (PDF, 34.40 MB). |
| 1982 | :September;1982 | A51-149-1982-9.pdf (PDF, 30.10 MB). |
| 1982 | :October;1982 | A51-149-1982-10.pdf (PDF, 31.20 MB). |
| 1982 | :November/December;1982 | A51-149-1982-12.pdf (PDF, 45.70 MB). |
| 1981 | :January/February;1981 | A51-149-1981-2.pdf (PDF, 49.50 MB). |
| 1981 | :March;1981 | A51-149-1981-3.pdf (PDF, 35.20 MB). |
| 1981 | :April;1981 | A51-149-1981-4.pdf (PDF, 28.60 MB). |
| 1981 | :May;1981 | A51-149-1981-5.pdf (PDF, 25.80 MB). |
| 1981 | :June;1981 | A51-149-1981-6.pdf (PDF, 28.20 MB). |
| 1981 | :September;1981 | A51-149-1981-9.pdf (PDF, 28.10 MB). |
| 1981 | :October;1981 | A51-149-1981-10.pdf (PDF, 26.30 MB). |
| 1981 | :November/December;1981 | A51-149-1981-12.pdf (PDF, 31.30 MB). |
| 1980 | :January;1980 | A51-149-1980-1.pdf (PDF, 29.90 MB). |
| 1980 | :February;1980 | A51-149-1980-2.pdf (PDF, 34.70 MB). |
| 1980 | :March;1980 | A51-149-1980-3.pdf (PDF, 50.30 MB). |
| 1980 | :April;1980 | A51-149-1980-4.pdf (PDF, 27.50 MB). |
| 1980 | :May;1980 | A51-149-1980-5.pdf (PDF, 28.10 MB). |
| 1980 | :June;1980 | A51-149-1980-6.pdf (PDF, 28.00 MB). |
| 1980 | :July/August;1980 | A51-149-1980-8.pdf (PDF, 28.90 MB). |
| 1980 | :September;1980 | A51-149-1980-9.pdf (PDF, 47.80 MB). |
| 1980 | :October;1980 | A51-149-1980-10.pdf (PDF, 30.20 MB). |
| 1980 | :November;1980 | A51-149-1980-11.pdf (PDF, 33.50 MB). |
| 1980 | :December;1980 | A51-149-1980-12.pdf (PDF, 33.40 MB). |
| 1979 | :January/February;1979 | A51-149-1979-2.pdf (PDF, 53.20 MB). |
| 1979 | :March;1979 | A51-149-1979-3.pdf (PDF, 29.90 MB). |
| 1979 | :April;1979 | A51-149-1979-4.pdf (PDF, 31.90 MB). |
| 1979 | :May;1979 | A51-149-1979-5.pdf (PDF, 30.10 MB). |
| 1979 | :June;1979 | A51-149-1979-6.pdf (PDF, 30.80 MB). |
| 1979 | :July/August;1979 | A51-149-1979-8.pdf (PDF, 41.50 MB). |
| 1979 | :September;1979 | A51-149-1979-9.pdf (PDF, 37.00 MB). |
| 1979 | :October/November;1979 | A51-149-1979-11.pdf (PDF, 30.80 MB). |
| 1978 | :January;1978 | A51-149-1978-1.pdf (PDF, 25.70 MB). |
| 1978 | :February/March;1978 | A51-149-1978-2.pdf (PDF, 39.70 MB). |
| 1978 | :March;1978 (Special Issue) | A51-149-1978-3.pdf (PDF, 32.80 Mo). |
| 1978 | :April/May;1978 | A51-149-1978-5.pdf (PDF, 38.80 MB). |
| 1978 | :June;1978 | A51-149-1978-6.pdf (PDF, 40.00 MB). |
| 1978 | :July;1978 | A51-149-1978-7.pdf (PDF, 29.80 MB). |
| 1978 | :October/November;1978 | A51-149-1978-11.pdf (PDF, 50.10 MB). |
| 1977 | :January/February;1977 | A51-149-1977-2.pdf (PDF, 59.80 MB). |
| 1977 | :March;1977 | A51-149-1977-3.pdf (PDF, 41.10 MB). |
| 1977 | :April/May;1977 | A51-149-1977-5.pdf (PDF, 29.50 MB). |
| 1977 | :June;1977 | A51-149-1977-6.pdf (PDF, 42.90 MB). |
| 1977 | :July;1977 | A51-149-1977-7.pdf (PDF, 42.70 MB). |
| 1977 | :September/December;1977 | A51-149-1977-12.pdf (PDF, 41.20 MB). |
| 1976 | :January/February;1976 | A51-149-1976-2.pdf (PDF, 42.70 MB). |
| 1976 | :March/April;1976 | A51-149-1976-4.pdf (PDF, 42.50 MB). |
| 1976 | :May;1976 | A51-149-1976-5.pdf (PDF, 32.40 MB). |
| 1976 | :June/August;1976 | A51-149-1976-8.pdf (PDF, 55.70 MB). |
| 1976 | :September/October;1976 | A51-149-1976-10.pdf (PDF, 44.50 MB). |
| 1976 | :November/December;1976 | A51-149-1976-12.pdf (PDF, 52.40 MB). |
| 1975 | :February;1975 | A51-149-1975-2.pdf (PDF, 47.90 MB). |
| 1975 | :March;1975 | A51-149-1975-3.pdf (PDF, 45.70 MB). |
| 1975 | :April/June;1975 | A51-149-1975-6.pdf (PDF, 50.90 MB). |
| 1975 | :July/August;1975 | A51-149-1975-8.pdf (PDF, 43.30 MB). |
| 1975 | :September;1975 | A51-149-1975-9.pdf (PDF, 48.40 MB). |
| 1975 | :October/December;1975 | A51-149-1975-12.pdf (PDF, 50.50 MB). |
| 1974 | :January;1974 | A51-149-1974-1.pdf (PDF, 50.90 MB). |
| 1974 | :February;1974 | A51-149-1974-2.pdf (PDF, 33.40 MB). |
| 1974 | :March;1974 | A51-149-1974-3.pdf (PDF, 50.60 MB). |
| 1974 | :April;1974 | A51-149-1974-4.pdf (PDF, 36.40 MB). |
| 1974 | :May;1974 | A51-149-1974-5.pdf (PDF, 30.00 MB). |
| 1974 | :September;1974 | A51-149-1974-9.pdf (PDF, 43.30 MB). |
| 1974 | :October;1974 | A51-149-1974-10.pdf (PDF, 40.10 MB). |
| 1974 | :November/December;1974 | A51-149-1974-12.pdf (PDF, 49.00 MB). |
| 1973 | :January;1973 | A51-149-1973-1.pdf (PDF, 32.40 MB). |
| 1973 | :February;1973 | A51-149-1973-2.pdf (PDF, 34.40 MB). |
| 1973 | :March;1973 | A51-149-1973-3.pdf (PDF, 30.80 MB). |
| 1973 | :April;1973 | A51-149-1973-4.pdf (PDF, 32.80 MB). |
| 1973 | :May;1973 | A51-149-1973-5.pdf (PDF, 31.40 MB). |
| 1973 | :June;1973 | A51-149-1973-6.pdf (PDF, 34.40 MB). |
| 1973 | :July;1973 | A51-149-1973-7.pdf (PDF, 51.70 MB). |
| 1973 | :August/September;1973 | A51-149-1973-9.pdf (PDF, 33.90 MB). |
| 1973 | :November;1973 | A51-149-1973-11.pdf (PDF, 33.60 MB). |
| 1973 | :December;1973 | A51-149-1973-12.pdf (PDF, 33.00 MB). |
| 1972 | :January;1972 | A51-149-1972-1.pdf (PDF, 30.40 MB). |
| 1972 | :February;1972 | A51-149-1972-2.pdf (PDF, 35.60 MB). |
| 1972 | :March;1972 | A51-149-1972-3.pdf (PDF, 32.90 MB). |
| 1972 | :April;1972 | A51-149-1972-4.pdf (PDF, 34.90 MB). |
| 1972 | :May;1972 | A51-149-1972-5.pdf (PDF, 28.80 MB). |
| 1972 | :June;1972 | A51-149-1972-6.pdf (PDF, 29.50 MB). |
| 1972 | :July;1972 | A51-149-1972-7.pdf (PDF, 31.10 MB). |
| 1972 | :August;1972 | A51-149-1972-8.pdf (PDF, 33.90 MB). |
| 1972 | :September;1972 | A51-149-1972-9.pdf (PDF, 29.00 MB). |
| 1972 | :October;1972 | A51-149-1972-10.pdf (PDF, 33.20 MB). |
| 1972 | :November;1972 | A51-149-1972-11.pdf (PDF, 31.70 MB). |
| 1972 | :December;1972 | A51-149-1972-12.pdf (PDF, 33.60 MB). |
| 1971 | :January;1971 | A51-149-1971-1.pdf (PDF, 31.5 MB). |
| 1971 | :February;1971 | A51-149-1971-2.pdf (PDF, 37.2 MB). |
| 1971 | :March;1971 | A51-149-1971-3.pdf (PDF, 36.10 MB). |
| 1971 | :April;1971 | A51-149-1971-4.pdf (PDF, 30.50 MB). |
| 1971 | :May;1971 | A51-149-1971-5.pdf (PDF, 34.20 MB). |
| 1971 | :June;1971 | A51-149-1971-6.pdf (PDF, 30.80 MB). |
| 1971 | :July;1971 | A51-149-1971-7.pdf (PDF, 35.30 MB). |
| 1971 | :August;1971 | A51-149-1971-8.pdf (PDF, 29.50 MB). |
| 1971 | :September;1971 | A51-149-1971-9.pdf (PDF, 34.20 MB). |
| 1971 | :October;1971 | A51-149-1971-10.pdf (PDF, 35.90 MB). |
| 1971 | :November;1971 | A51-149-1971-11.pdf (PDF, 30.60 MB). |
| 1971 | :December;1971 | A51-149-1971-12.pdf (PDF, 34.60 MB). |
| 1970 | :October;1970 | A51-149-1970-10.pdf (PDF, 33.9 MB). |
| 1970 | :November;1970 | A51-149-1970-11.pdf (PDF, 33.2 MB). |
| 1970 | :December;1970 | A51-149-1970-12.pdf (PDF, 32.5 MB). |