Title: Putevoditelʹ Polevogo seminara "Baltiĭsko-Valdaĭskiĭ kraevoĭ kompleks", 20-28 ii͡u︡li͡a︡ 1985 g
Subjects: Geology, Guidebooks
Places: Pskovskai︠a︡ oblastʹ, Pskovskai︠a︡ oblastʹ (Russia), Russia (Federation), Valdai Hills, Valdai Hills (Russia)