000 00314nam a2200133Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a570
100 _aVERMA, P.S
245 2 _aA Textbook of Biology
260 _aNew Delhi.
_bS.Chand & Company Ltd.
_c1993
300 _avi, 602 P
942 _cPR
999 _c57634
_d57634