The propagation of trees 

 - (Belfast) :  Irlanda del Norte. Ministry of Agriculture,  (1961) 
 - 12 p.  : ilus 
 - Leaflet  ; 85 .
 - Leaflet  ; 85 .
<br/><br/><label>LCCN: </label>26475 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Propagación de árboles.