00656nam a2200193Ia 4500003000900000008004100009020000700050040001600057080001400073110003600087245012800123260002000251300001400271650004100285650002300326942000700349999001500356952009100371IN-BaIIA211028s9999    xx            000 0 eng d  aNO  cIIA Library  a1:12bCSI  aCalcutta National Library93545 0aIndian Scientific and Technical Publications, Exhibition 1960cCalcutta National Library                                     aNew Delhic1960  axii,195p.  aAstronomy and Astrophysics Thesaurus  aBibliography92940  cBK  c1848d1848  00104070aBANbBANcGENd0000-00-00l0o01:52/ CSIp2032r2021-11-05w0000-00-00yBK