Willan, R.L. <br/><br/>
Phytosanitary problems in seed procurement / 
R.L. Willan. 
 - Copenhagen :  Danida Forest Seed Centre,  1991 
 - 15 p. ;  30 cm. 
 - Lecture note ;   C-12 .
<br/><br/>Includes bibliographical references (p. 12-5) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seed industry and trade.
<br/><br/><label>Dewey Class. No.: </label>631.5