00445nam a22001337i 4500001001000000005001700010008004100027082002200068100002900090245007400119260004500193300001700238650005600255SXC02315820260819093731.0260101s1999    ii            000 0 eng d  a541.224 FIS-I222  aFisher, J; Arnold, J R P10aInstant notes in chemistry for biologists /cFisher, J; Arnold, J R P  abViva Books Pvt. Ltd., New Delhi,c1999  ap. ;c22 cm. 0aMolecular bonds and valances; Theoretical chemistry