000 00273nam a2200109Ia 4500
008 210324s1994 xx 000 0 und d
041 _aeng
082 _a575.1
100 _aTrehan, K.
_91585569
245 _aBiotechnology
260 _aN.Delhi
_bWiley Eastern Limited
_c1994
999 _c1034196
_d1034196