Jagersten, Gosta,  1903- <br/><br/>
Evolution of the Metazoan life cycle :  a comprehensive theory / 
Gosta Jagersten 
 - London :  Academic Press,  c1972 
 - x, 282 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0123799503 :  PND 5.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metazoa<br/>Evolution (Biology)<br/>Phylogeny
<br/><br/><label>Dewey Class. No.: </label>593.5