Mas Porras, Javier. <br/><br/>
The effect of thinnings on the growth of pines as shown the Forestry Commission sample plots 

 - Oxford :  The author,  1965 
 - 65 h.  ; apénd. : ilus 
<br/><br/> Thesis (Diploma in Forestry) -- Commonwealth Forestry Institute. University of Oxford 
<br/><br/><label>LCCN: </label>32300 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pináceas--Aclareos.<br/>Pináceas--Crecimiento.