A guide to forest seed handling  : with special reference to the tropics 

. - Rome  : FAO, 1985
. - XIII-379 p.  : ill., couv. ill.  ; 30 cm. 
 - FAO Forestry Paper  20/2 .
<br/><br/><label>Source: </label> Achat 
<br/><br/><label>Universal Decimal Class. No.: </label>634.0