000 00268nam a2200121Ia 4500
100 _aApsangikar, D K & others
942 _cBK
245 _aSteps in biology std XI
260 _aSurat
_bPopular
_c1986
082 _a574
_bApa
300 _avi,2,312
546 _aEnglish
999 _c331772
_d331772
041 _aeng