Oxford Companion to the Earth / 
editors Paul L. Hancock and Brian J. Skinner ; associate editor David L. Dineley ; subject editor, Alastair G. Dawson, K. Vala Ragnarsdottir, Iain S. Stewart. 
 - Oxford ;  New York :  Oxford University Press,  2000. 
 - x, 1174 p. :  ill., maps ;  25 cm.