@book{19256,
	title = {The World Book Encyclopedia of Science V.1-V.8},
	publisher = {World Book,},
	year = {2000},
	address = {Chicago :},
	note = {V.1 Astronomy, V.2 Physics, V.3 Chemistry, V.4 The Planet Earth, V.5 The Plant World, V.6 The Animal World, V.7 The Human Body, V.8 Man and Woman of Science. Index}
}