Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals - Dougal Dixon, Barry Cox, R.J.G. Savage, and Brian Gardiner

Predatory Dinosaurs of the World - by Greg Paul

Terrestrial Ecosystems Through Time - The Evolution of Terrestrial Ecosystems Consortium; 1992

Gaia

page history

uploaded 3 October 1999, most recent update 18 January 2010