000 00299nam a2200109Ia 4500
008 221129s1978 xx 000 0 und d
041 _aeng
082 _a574
100 _aWeitz, P.B.
_91208492
245 _aScience; of Biology
260 _aN. Delhi
_bTata McGraw - Hill Publishing Company Ltd.,
_c1978
999 _c778748
_d778748