Bakker, Robert T. <br/><br/>
The dinosaur heresies :  new theories unlocking the mystery of the dinosaurs and their extinction / 
Robert T. Bakker 
 - New York :  William Morrow,  1986 
 - 481 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0688042872 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dinosaurs