00370nam a2200145Ia 4500 OSt 070797986 503 MCG/MC Mc Graw hill encyclopedia of science and technology V.12 SAB-SPIN NewYork Mc Graw Hill Book company 1971 715p. English General science ddc REF 161645 161645 0 0 ddc 0 1 REF KAUCLV KAUCLV REF 2018-09-07 0 503 MCG/MC 906226 2018-09-07 00:00:00 2018-09-07 REF Book transferred from CoH Library, Acc.No: 878