000 00389nam a2200157Ia 4500
008 140205s9999 xx 000 0 und d
020 _a0521444675
082 _a660.6/SMI
100 _aSmith, John E
245 _aBiotechnology
260 _bCambridge University Press
_aCambridge
_c1981
300 _a236
650 _aBiotechnology
650 _aGenetic engineering
942 _2ddc
_cBK
999 _c2961
_d2961