Gould, Stephen Jay. <br/><br/>
Wonderful life :  the Burgess Shale and the nature of history / 
Stephen Jay Gould. 
 - New York :  W.W. Norton,  c1989. 
 - 347 p. :  ill. 
<br/><br/><label>ISBN: </label>0393027058  
<br/><br/><label>LCCN: </label>91025164     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates, Fossil--British Columbia--Yoho National Park.<br/>Paleontology--Cambrian.<br/>Paleontology--British Columbia--Yoho National Park.<br/>Paleontology--Philosophy.<br/>Contingency (Philosophy)
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Burgess Shale (B.C.)<br/>Yoho National Park (B.C.)