X1Vth International Horticultural Congress (1955: Netherlands)   <br/><br/>
Report of the XlVth International Horticultural Congress, held in The Hague, Netherlands Belgium Aug. 29-Sept. 6, 1955  (Book) 

 - Wageningen, Netherlands  H. Veenman & Zonen  1955 
 - 913p.  25 cm. 
<br/><br/><label>Universal Decimal Class. No.: </label>635:061.3(100) INT  / 8335