Copeland, Lawrence O. <br/><br/>
Principles of seed science and technology 
Lawrence O. Copeland, Miller B. McDonald. 
 - 4th ed. 
 - Boston  Kluwer Academic  2001 
 - xiv, 467p.: ill.; 24cm. 
<br/><br/><label>ISBN: </label>0 - 7923 - 7322 - 7. 
<br/><br/><label>Dewey Class. No.: </label>631.521  / C59P