Emmel, Thomas C. <br/><br/>
Worlds within worlds :  an introduction to biology / 
Thomas C. Emmel. 
 - New York :  Harcourt Brace Jovanovich,  c1977. 
 - xii, 612 p., [16] leaves of plates :  ill. (some col.) ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0155976729 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.
<br/><br/><label>LC Class. No.: </label>QH308.2  / .E48