Erkrakentron ev arevakentron hamakargerě Hayastanum
By: B. E. Tʻumanyan
Publisher: Erevani Hamalsarani Hratarakchʻutʻyun
Published: 1973
Place of publication: Erevan
Language: arm
Number of pages: 132
Subjects: Astronomy; History
Other titles: Geot︠s︡entricheskie i geliot︠s︡entricheskie sistemy v Armenii.
Notes: Includes bibliographical references.

Russian summary.