00425nam a22001337i 4500001001000000005001700010008004100027082002600068100002800094245004500122260005100167300001700218650005600235SXC01650820260819093615.0260101s1979    ii            000 0 eng d  aCHE 541.224 MUR-C222  aMurrell, John N, et al.10aChemical bond /cMurrell, John N, et al.  abEnglish Language Book Society, London,c1979  ap. ;c22 cm. 0aMolecular bonds and valances; Theoretical chemistry