000			00339nam a2200133Ia 4500
008			190216s9999||||xx |||||||||||||| ||und||
100			_aBrown. G.I
245		0	_aNew Guide To Modern Valency Theory
250			_a3rd Ed.
260			_bThe English Language Book Society _c1953
300			_a238
650			_aChemistry-Chemistry
942			_cBK
999			_c2162 _d2162