000			00374nam a2200145Ia 4500
005			20240821152146.0
008			240821s9999||||xx |||||||||||||| ||und||
082			_a541.224 SPE
100			_aSpeakman, J.C.
245		0	_aIntroduction to the electronic theory of valency
260			_aLondon _bEdward Arnold _c1962
300			_avi,180p
650			_aChemistry
942			_cBK
999			_c63202 _d63202