00000nam 2200000za 4500 9.856590 CaOODSP 20221107155552 cr ||||||||||| 180515s2018 onca o f000 0 eng d CaOODSP eng eng fre n-cn-bc NR16-221/2018E-PDF National Research Council Canada. Dominion Astrophysical Observatory [electronic resource] : 100 years, 1918-2018 = Observatoire federal d’astrophysique : 100 ans, 1918-2018. Observatoire federal d’astrophysique : 100 ans, 1918-2018 [Ottawa] : National Research Council Canada = Conseil national de recherches Canada, [2018] [1] p. : col. ill. Issued also in French under title: Observatoire federal d’astrophysique : 100 ans, 1918-2018 = Dominion Astrophysical Observatory: 100 years, 1918-2018. Dominion Astrophysical Observatory (Canada) Observatoire federal d’astrophysique (CaOODSP)9.856591 PDF 2.01 MB https://publications.gc.ca/collections/collection_2018/cnrc-nrc/NR16-221-2018-eng.pdf