Udvardy, Miklos D. F. <br/><br/>
A biogeographical classification system for terrestreal environments 

<br/><br/> Sobreteiro de: McNeily, J.A. National Parks, conservation and development.- Washington: Smithsonian Institution (1982): pp. 34-48 
<br/><br/><label>LCCN: </label>44714 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biogeografía.<br/>Ecosistema.