000			00325nam a2200145Ia 4500
003			IN-KoSCC
008			211107s9999 000 0 eng
082			_a541-122
100	1		_aSpeakman,J.C
245	1		_aIntrod. to the modern theory of valency
260			_c1946
500			_aLost
653			_aChemistry
942			_cBK
999			_c38236 _d38236