Erkragndi jrayin olortě
Subtitle: ěndhanur jrabanutʻyan dzeṛnark
By: H.K. Gabrielyan.
Publisher: Erevani Hamalsarani Hratarakchʻutʻyun
Published: 1987
Place of publication: Erevan
Language: arm
Number of pages: 344
Subjects: Hydrology.
Other titles: Gidrosfera zemli.
Notes: Bibliography: p. 338-[341]
Title on t.p. verso: Gidrosfera zemli.
At head of title: Erevani Petakan Hamalsaran.
"Tʻuylatrvats ē HSSH Bardzraguyn ev Mijnakarg Masnagitakan Krtʻutʻyan Ministrutʻyan koghmitsʻ orpes usumnakan dzeṛnark buheri ashkharhagrakan masnagitutʻyunneri usanoghneri hamar."