00411nam a22001577i 4500001001000000005001700010008004100027020001500068082002100083100001800104245003500122250001000157260005100167300001700218650001800235SXC02437320260819093744.0260101s1996    ii            000 0 eng d  a0613920627  a660.6 SMI-B3222  aSmith, John E10aBiotechnology /cSmith, John E  a3 ed.  abCambridge University Press, Cambridge,c1996  ap. ;c22 cm. 0aBiotechnology