000			00389nam a2200157Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
020			_a0 408 70922 7
041			_aen
082			_a541.224
100			_aCARTMELL.E
245		0	_aValency and Molecular Structure
250			_a4th ed
260			_aLondon _bThe English Language Book Soc _ciety 1977
300			_a341p.
942			_cLL
999			_c1595 _d1595