00273nam a2200109Ia 4500008004100000082002100041100000900062245002400071250001200095260004700107300000900154240913s9999||||xx |||||||||||||| ||und||  aGS    660.6  BIO  aNULL 0aBasic Biotechnology  a2nd Ed.  bCambridge University PressaNew Yorkc2003  a567p