Ling, Lee <br/><br/>
Digest of plant quarantine regulations 

 - Rome:   Food and Agriculture Organization of the United Nations,   1952 
 - vi, 164p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Plant Protection 
<br/><br/><label>Universal Decimal Class. No.: </label>63  / J2