000 00444nam a2200157Ia 4500
008 170207s9999 xx 000 0 und d
082 _a574 RAM-B.1
100 _aRama Das, V S, et al.
245 _aBiology: A textbook for senior secondary schools, Class, 12-Part1
260 _bNational Council of Educational Research and Training, New Delhi
260 _c1989
300 _a760
365 _b20
650 _aBiology
942 _cBOOKS
999 _c30735
_d30735