Thomas, Mary. <br/><br/>
Back crossing; the theory and practice of the backeross method in the breeding of some non-cereal crops 

 - Cambridge :  Commonwealth Bureau of Plant Breeding and Genetics,  1953 
 - 136 p. 
 - Technical communication  ; 16 .
 - Technical communication  ; 16 .
<br/><br/><label>LCCN: </label>46421 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cultivos--Mejoramiento.<br/>Plantas--Mejoramiento.
<br/><br/><label>Dewey Class. No.: </label>631.522  / T4