00311nam a2200121Ia 4500008004100000020001500041082001800056100001600074245002300090260006400113300000700177650000500184140316s9999    xx            000 0 und d  a8172361416  a572.7bSHE/EN  aShewale,J G  aEnzymes everywhere  aNew DelhibNational Institute of Science Commuicationc1996  a85  a