@book{100344,
	author = {Childe, V. Gordon},
	title = {What happened in history},
	publisher = {Penguin Books},
	year = {1967, c1942.},
	series = {Pelican books, A},
	address = {Baltimore, Md.},
	edition = {Rev. ed.},
	note = {"First published in 1942. Rev. ed. 1954, reprinted with foreword and footnotes, 1964; reprinted 1965, 1967."}
}