Mccubbin, W A  <br/><br/>
Plant quarantine problem  

 - Copenhagen:   Ejnar Munksgaaed,   1954 
<br/><br/> Vol. 11 ( Animal cryptogamici et Phytopathologici ), 255p. <br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Biological  Economic relationsre  
<br/><br/><label>Universal Decimal Class. No.: </label>632.97  / J4