Lauterbach, Robert. The world of geology : the Earth then and now / Robert Lauterbach ; [translated from the German by A.C. Bishop and E. Laurent]. - Leipzig : Edition Leipzig, c1983. - 182 p. : ill. (some col.) 23 cm. ISBN: 946470510 Subjects--Topical Terms: Geology. Dewey Class. No.: 551.7 / LAU,1984