Le Clerg, Erwin Lewis,  1901- <br/><br/>
Field plot technique / 
Erwin L. Le Clerg,  Warren H. Leonard [and] Andrew G. Clark. 
 - 2d ed. 
 - Minneapolis :  Burgess Pub. Co.,  1962. 
 - 373 p. :  illus. ;  29 cm. 
<br/><br/> First ed. by W.H. Leonard and A. G. Clark. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field experiments.<br/>Agriculture--Statistics.
<br/><br/><label>Dewey Class. No.: </label>630  / LEF