Title: Oboronitelʹnyĭ rubezh na territorii Mariĭskoĭ ASSR v 1941 godu /
Authors: Koshkina, O. A.; Mariĭskiĭ nauchno-issledovatelʹskiĭ institut i︠a︡zyka, literatury i istorii im. V.M. Vasilʹeva,
Year: 2013
Subjects: World War, 1939-1945 Russia (Federation) Mari El History.; Mari El (Russia) History, Military; Mari El (Russia) Defenses.