000 00373nam a2200169Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
100 _aC. Ayyanna.
245 0 _aBiotechnology
260 _aNew Delhi
260 _bTata Mcgraw Hill Publishing Co.Ltd
260 _c1993
300 _a221p.
365 _b276
650 _aMECHANICAL
942 _cDBK
999 _c21822
_d21822