00613nam a2200205Ia 4500003000900000008004100009020001800050040001600068080001600084100001800100245012300118260004800241300001500289650001400304650001600318650001400334650001900348700001800367700002200385IN-BaIIA211028s9999    xx            000 0 eng d  a0-521-34354-2  cIIA Library  a52(04)bCOS  aBiswas, S. K. 0aCosmic perspectivesc S K Biswas, D C V Mallik and  C V  Vishveshwara                                                   aCambridgebCambridge University Pressc1989  axix, 249p.  aAstronomy  aBappu M.K.V  aCosmology  aNASA Thesaurus  aMallik, D C V  aVishveshwara, C V