Lawrence, W J C. <br/><br/>
Practical plant breeding / 

 - 2nd ed. 
 - London  :  George Allen and Unwin,  1948. 
 - 155 p. :  ill. ;  19 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural genetics<br/>Hybridization -- Plants<br/>Plant genetics
<br/><br/><label>Dewey Class. No.: </label>631.53  / LAW