x  x <br/><br/>
Heterosis  Reappraisal of theory & Practice 

 - x 
 - Berlin  Springer-Verlag  1983 
 - viii, 290 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chromosmes Genetics 
<br/><br/><label>Dewey Class. No.: </label>574.87322/HET