LESEN
Carl Zimmer AT THE WATER’S EDGE Fish with Fingers, Whales with Legs, and How Life Went Ashore but Then Went Back to Sea Touchstone Press, New York 1999, ca. € 13,–
INTERNET
Urwal-Forscher Hans Thewissen: www.neoucom.edu/DEPTS/ANAT/Thewissen
Urwal-Forscher Philip Gingerich: www-personal.umich.edu/~gingeric
Weblog des Illustrators Carl Buell alias Olduvai George: olduvaigeorge.com
