Fehr,W.R. <br/><br/>
Principles of Cultivar Development theory and Practice/by  Print resources 
Walther R. Fehr 
 - London  Macmillan  Publishing Company  1987 
 - vii,536p.:  ill.  32cm 
<br/><br/>Includes Index 
<br/><br/><label>ISBN: </label>0029499208  FUTML 
<br/><br/><label>Source: </label>B-9903 
<br/><br/><label>Subjects--Personal Names: </label><br/>Walter R. Fehr
<br/><br/><label>LC Class. No.: </label>SB123.F43