Williams, Watkin. <br/><br/>
Genetical Principles and Plant Breeding / 
Watkin Williams. 
 - Oxford :  Blackwell Scientific Publications,  c1964 
 - x, 504 p. :  ill. ;  23 cm. 
 - Botanical monographs ;  v.5 .
 - Botanical monographs ;  v.5 .
<br/><br/>includes bibliography and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant breeding.<br/>Genetics.<br/>Plants.<br/>Genetics.
<br/><br/><label>Dewey Class. No.: </label>581.15  / WIG 1964