000 00377nam a2200169Ia 4500
008 200202s9999 xx 000 0 und d
020 _a8122401295
082 _a620.8 TRE
100 _a"Trehan, Keshav"
245 0 _aBiotechnology
260 _aNew Delhi
260 _bWiley Eastern
260 _c1990
300 _a286p.
650 _aGenetic engineering
942 _cB
999 _c39916
_d39916