00597nam a2200193Ia 4500003000900000008004100009020001800050040001600068080001500084110003500099245006200134260004400196300001000240650001900250650002100269942000700290999001500297952009100312IN-BaIIA211028s9999    xx            000 0 eng d  a0-85229-372-0  cIIA Library  a58bENB-80  aEncyclopedia Britannica910946 0a1980 Britannica Book of the YearcEncyclopedia Britannica  aChicagobEncyclopaedia Britannicac1980  a766p.  aNASA Thesaurus  aYear Books93953  cBK  c6579d6579  00104070aBANbBANcGENd1980-10-09l0o058/ENB-80p7315r2021-11-05w1980-10-09yBK