International classification and mapping of vegetation.  Classification internationale et cartographie de la végétation. Clasificación internacional y cartografía de la vegetación. 

 - Paris,  Unesco,  1973. 
 - 93 p.;  28 cm. 
 - Ecology and conservation  6 .
<br/><br/> Label mounted on t.p.: UNIPUB, inc., New York.  English, French and Spanish. 
<br/><br/><label>ISBN: </label>9230010464 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vegetation mapping.<br/>Vegetation classification.
<br/><br/><label>Dewey Class. No.: </label>581.5018