National Geographic. vol.164: Nos.1-3:1983 

 - Washington  Nat.Geo.Soc.  1983 
<br/><br/><label>Subjects--Topical Terms: </label><br/>U:1m73:M88
<br/><br/><label>Dewey Class. No.: </label>U:1m73:M88  / B8.164.1