International standards for phytosanitary measures :  section 4 - surveillance of plague 
/by FAO 
 - Rome, Italy :  FAO,  1998. 
 - v. 
<br/><br/> La biblioteca tiene : Pte. 6 Guidelines for surveillance 
<br/><br/><label>LCCN: </label>76706 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comercio internacional.<br/>Plantas--Cuarentena.<br/>Sanidad vegetal.