Paul M. Harris <br/><br/>
Potato crop : The scientific basic for improvement. Ed 2 

 - London  Chapman and Hall  1992 
 - 909p 
<br/><br/>Paul M. Harris: Potato crop : The scientific basic for improvement. Ed 2.  London.  Chapman and Hall, 1992. 0-442-31453-1--(635.21HAR)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-442-31453-1 
<br/><br/><label>Dewey Class. No.: </label>635.21  / HAR