000			00406nam a2200169Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
020			_cPOU1.55
040			_e5372 _aMAIN
041			_aEnglish
082			_a541.224 M967V
100			_aMurrell, J N
245		0	_aValence theory
250			_a2nd ed.
260			_aLondon _bEnglish language Book Society. _c1977
300			_axv, 428 p.
942			_cBK
999			_c210332 _d210332