00450nam a2200157Ia 4500003000900000008004100009040001600050080001700066100001900083245004500102260004600147300001700193650002400210650004100234650001700275IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a52(091)bKUH  aKuhn, Thomas S 4aThe copernican revolutioncThomas S Kuhn  aCambridgebHarvard University Pressc1957  axviii, 297p.  aAstronomy - History  aAstronomy and astrophysics thesaurus  aAstrophysics