00301nam a2200109Ia 4500008004100000082003600041100001500077245004300092260003600135300001000171650001000181060110s9999    xx            000 0 und d  a660.6bKUM/A            aKUMAR, H D 2aA textbook on biotechnologycH D Kumar  bAffliated East West Pressc1991  a280p.  a660.6