Lawrence, William John Cooper <br/><br/>
Practical plant breeding /  
W.J.C.Lawrence. 
 - London :    George Allen and Unwin,    1951 
 - 166 p. :    ill. ;    19 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plant breeding.
<br/><br/><label>Dewey Class. No.: </label>631.53