000 00334nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aP.S.Verma
245 0 _aPrinciples of General Biology
250 _a-
260 _aNew Delhi
260 _bS.Chand & Co
260 _c0
650 _aPrinciples of General Biology
942 _cBK
999 _c9965
_d9965