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008150407s1972||||xxcao|||o    f000 0 eng d
040 |aCaOODSP|beng
043 |an-cn---
0861 |aA53-1019/1972E-PDF
1001 |aPutt, E. D.|q(Eric D.) .
24510|aSunflower seed production |h[electronic resource] / |cEric D. Putt.
250 |aRev.
260 |aOttawa : |bAgriculture Canada |c1972.
300 |a30 p. : |bfig., ill.
500 |aOriginally published: 1957. Reprinted 1962, 1965. Revised 1967, 1972.
500 |aHistorical publication digitized by Agriculture and Agri-Food Canada.
590 |a15-05-Supp|b2015-03-31
69007|aFruit crops|2gcpds
7101 |aCanada.|bAgriculture Canada.
85640|ahttp://publications.gc.ca|qPDF|s2133 KB|uhttps://publications.gc.ca/collections/collection_2015/aac-aafc/A53-1019-1972-eng.pdf