000 00252nam a2200121Ia 4500
020 _a9788131505090
082 _a660.6 BAR
100 _aBARNUM, S.R.
245 _aBIOTECHNOLOGY
260 _bCENGAGE LEARNING
_c2008
300 _a326
942 _2ddc
_cB
999 _c65891
_d65891