Hewitt, William B. <br/><br/>
Plant health and quarantine in international transfer of genetic resources 

 - Cleveland  CRC Press  1977 
 - 346p.  26cm. 
<br/><br/><label>ISBN: </label>0849354137 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant quarantine
<br/><br/><label>LC Class. No.: </label>SB987.P58