1. The history of the earth's crust : a symposium Publication/Creation: Princeton, N.J. : Princeton University Press, 1968 Resource Type: Book Access & Availability: Loading
2. History of the earth : an introduction to historical geology Author/Creator: Kummel, Bernhard, 1919-1980 Publication/Creation: San Francisco : W. H. Freeman, [1961] Resource Type: Book Access & Availability: Loading