000 00275nam a2200133Ia 4500
020 _a0521531748
082 _a660.6 RAT
100 _aRATLEDGE, COLLIN
245 _aBASIC BIOTECHNOLOGY
250 _aSECOND
260 _bCAMBRIDGE
_c2004
300 _a568
942 _2ddc
_cB
999 _c61003
_d61003