Slobodchikoff C N Ed. <br/><br/>
Concepts of species 

 - Pennsylvania  Dowden Hutchinson and Rose         1976 
 - xiii,368p. Bib p. 347-55  cm. 
 - Benchmark Papers In Systematic And Evolutionary Biology.3 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>G:66, L6