00321nam a2200121 a 450000500170000002000150001708200170003210000250004924500410007426000330011530000260014870000250017420251203091752.0  a0306446294  a610,bD, Geb  aGebelein, Charles G.  aBiotechnology and bioactive polymers  aNew YorkbPlenum Pressc1994  aix, 342p.c25 cm.bHB  aCarraher, Charles E.