000			00359nam a2200145Ia 4500
008			180612s9999||||xx |||||||||||||| ||und||
020			_a955 23 0603 5
041			_aen
082			_a541.224
100			_aTantrigoda,U
245		0	_aBasic Principles of Chemistry
260			_aNugegoda _bOpen University of Srilanka _c1995
300			_avi,136p
942			_cPR
999			_c55349 _d55349