000			003280000a22001570004500
003			BGCL
020			_c60.00
040			_aBGCL
082			_a540 _bCh 79
245			_aValence _cby C.A.Coulson
260			_aNew Delhi _bOxford University Press _c1972
650			_aCH.
041			_aeng
700			_aCoulson, C.A.
942			_cBOOK
999			_c8697 _d8697