Seed procurement and legal regulations for forest reproductive material in tropical and subtropical countries : proceedings of an international symposium /  
edited by H. Wolf. 
 - Nairobi :   GTZ,   1993. 
 - vi, 555 p.  
<br/><br/><label>ISBN: </label>9966989706 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SEMILLAS<br/>CONF<br/>ARBOLES<br/>PLANTAS NATIVAS