Dobzhansky, Theodosius. <br/><br/>
Contribution to the genetics, taxonomy and ecology of drosophila pseudoobscura and its relatives 

 - Washington :  Carnegei Institution,  1944 
 - 183 p. 
 - Pub. 554 .
 - Pub. 554 .
<br/><br/><label>LCCN: </label>20411 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drosophila.
<br/><br/><label>Dewey Class. No.: </label>595.772  / D62