@book{835,
	author = {Selvaratnam,M},
	title = {Basic Principles of Chemistry  Part I : Physical quantities their interrelationships and atomic structure and periodic table},
	publisher = {Open University},
	year = {1995p},
	series = {Physical quantites their interelationships and atomic structure and periodic table CHU 1221},
	address = {Colombo}
}