00498nam a2200169Ia 4500003000900000008004100009020001800050040001600068080001600084100002200100245007300122260003800195300001400233650004100247650001600288700002400304IN-BaIIA211028s9999    xx            000 0 eng d  a9971-50-050-7  cIIA Library  a524.834bDE  aDe Sabbata, Venzo 0aIntroduction to gravitationcVenzo De Sabbata and Maurizio Gasperini  aSingaporebWorld Scientificc1985  aix, 346p.  aAstronomy and astrophysics thesaurus  aGravitation  aGasperini, Maurizio