Plucknett, Donald L. <br/><br/>
Plant quarantine and the international transfer of germplasm 
By Donald L. Plucknett and Nigel J.H. Smith 
 - Washington, D.C.  IBRD  1988 
 - 52p. 
 - CGIAR Study Paper .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quarantine, Plant
<br/><br/><label>Dewey Class. No.: </label>Z211 In8