000 00437nam a2200145Ia 4500
008 220926s1998 xx 000 0 und d
041 _aeng
082 _a636.088
_bSIN
100 _aSingh, B D
_91002978
245 _aBiotechnology
260 _aNew Delhi
_bKalyani Publishers
_c1998
300 _a602p
520 _aCirculation Section
906 _aGENES, GENETIC ENGINEERING, ANIMAL CELL, BIOLOGICAL NITROGEN FIXATION, CRYOPRESEVATION
999 _c676668
_d676668