000 00000nam a2200000 a 4500
005 20251203110831.0
020 _a8122401295
082 _a660.6
_bTRE
100 _aTrehan, Keshav
245 _aBiotechnology
260 _aNew Delhi
_bNew Age International Publishers
_c1990
300 _aviii,286p.
_c24 cm. PB
690 _aBiotechnology
964 _b
_c
_d
_e
_f
_g_
997 _a125643 LIBSC C
999 _c104331
_d104331