000			00421nam a2200157 4500
999			_c815 _d815
008			191221b ||||| |||| 00| 0 eng d
082	0	0	_a541.39 _bS7411
100			_9349 _aSpeakman, J. C.
245	1	0	_aAn Introduction to the Modern Theory of Valency _cby J. C. Speakman
250			_a2nd ed.
260			_aLondon _bArnold _c1949
300			_a159 p.
365			_d6.50
650		0	_aTheoretical Chemistry
942			_2ddc _cBK