00750nam a2200205Ia 4500003000900000008004100009020001800050040001600068080001700084245013200101260004900233300001300282650002900295650004100324650002200365700003200387942000700419999001500426952010300441IN-BaIIA211028s9999    xx            000 0 eng d  a0-521-24256-8  cIIA Library  a52(091)bAST 0aAstrophysics and twentieth-century astronomy to 1950bpt. Acedited by Owen Gingerich                                            aCambridge,bCambridge University Pressc1984  ax, 198p.  aAstronomy - history9900  aAstronomy and astrophysics thesaurus  aAstrophysics9794  aGingerich, Owen., ed.96300  cBK  c8296d8296  00104070aBANbBANcGENd1985-06-11l0o52(091)/ ASTp9140r2021-11-05w1985-06-11yBKG£ 21.16