Environmental Problems in the Yerevan Region Author Valesyan A.L. Journal/Series Soviet Geography | Vol. 31, no.8; 573 - 586; 14 p. Date 1990 Source IUCN (ID: ANA-045134) Publisher | Place of publication V.H. Winston & Son, Inc | Silver Spring, MD, USA Language English Country/Territory Armenia Subject Environment gen., Land & soil, Air & atmosphere