Stahnke, Herbert L. (Herbert Ludwig), 1902- <br/><br/>
Biotic principles/ 
by Herbert L. Stahnke 
 - Ohio :  C.E. Merrill Books : Columbus,  1961 
 - 654 p. :  ill. ;  24 cm. 
<br/><br/><label>LCCN: </label>61-009212 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology