Chuvashskai︠a︡ ėnt︠s︡iklopedii︠a︡ v 4 t., T. 1: A-E.
Publisher: Chuvashskoe knizhnoe izd-vo; Chuvashskoe knizhnoe izdatelstvo
Published: 2006
Place of publication: Cheboksary
Language: rus
Number of pages: 590