Thewissen, J G M <br/><br/>
Whales originated from aquatic artiodactyls in the Eocene epoch of India.  [electronic resource] 

 -  Nature  Dec 2007 
 - 1190-4 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>1476-4687 
<br/><br/><label>Standard No.: </label>10.1038/nature06343  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>India<br/>Pakistan<br/>Phylogeny<br/>Time Factors<br/>Whales--anatomy & histology