Transformation of mountain environments :   Regional development and sustanbility; consequences for global change : International conferance, Tsahkadzor, Armenian SSR : Paper outlines / 
In-t of Geography of the USSR Academy of Sciences. 
 - Moscow ;  Yerevan :  S. n.,  1989. 
 - 194 p. ;  21 cm. 
 - 551(47.925) (NLA) .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography--Armenia<br/>General geology--Armenia
<br/><br/><label>Universal Decimal Class. No.: </label>551(47.925) (NLA)