Kohnke, Helmut,  1901-1991. <br/><br/>
Soil physics / 
Helmut Kohnke. 
 - New York :  McGraw-Hill,  [1968]. 
 - ix, 224 p. :  ill. 
 - McGraw-Hill publications in the agricultural sciences. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil physics.