@book{165691,
	author = {Spencer, Herbert, and Williams and Norgate.},
	title = {The principles of biology / },
	editor = {Harrison and Sons)},
	publisher = {Williams and Norgate, },
	year = {1898-1899 (},
	series = {A System of Synyhetic Philosophy ; },
	address = {[London] : },
	edition = {Rev. and enl. ed.}
}