@book{27394,
	author = {Jones, M. J. and Institution of Mining and Metallurgy},
	title = {Geochemical Exploration 1972 : Proceedings Of The Fourth International Geochemical Exploration Symposium held in London, 17 - 20 April, 1972 /},
	publisher = {The Instituition Of Mining and Metallurgy ,},
	year = {1972},
	address = {London :},
	note = {Some issues reprinted from the Journal of geochemical exploration}
}