Sereno, Paul C <br/><br/>
How tough was a Tyrannosaurus? 
Paul C. Sereno ; [illustrated by Richard Courtney] 
 - 1st edition 
 - New York  Grosset & Dunlap  1989 
 - 32 p. : col. ill. ; 21 cm 
<br/><br/><label>ISBN: </label>448191164 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reptiles
<br/><br/><label>Dewey Class. No.: </label>567.9 SER