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020 _c185
_a81-224-0129-5
040 _aPHAR
082 _a571.89 TRE K
100 _aTREHAN, KESHAV
_95310
245 0 _aBIOTECHNOLOGY
250 _a1st rep.
260 _bNEW AGE INTERNATIONAL PVT. LTD. PUBLISHERS
_aNEW DELHI
_c2006
300 _a286p.
500 _a3122
942 _cBK
999 _c85293
_d85293