00363nam a2200145Ia 4500008004100000020001800041041000800059082001500067100004100082245002500123250000600148260004100154300001300195650000900208210716s2001    xx            000 0 und d  a9780521531740  aeng  a660.6 RATC  aRatledge, Colin; Kristiansen, Bjorn.  aBasic biotechnology.  a2  aUKbCambridge University Pressc2001  axiii,568  aNone