An edition of Trudy Vsesoi︠u︡znogo soveshchanii︠a︡ (s mezhdunarodnym uchastiem) "Asteroidnai︠a︡ opasnostʹ", 10-11 okti︠a︡bri︠a︡ 1991 g., S.-Peterburg (1992)

Trudy Vsesoi︠u︡znogo soveshchanii︠a︡ (s mezhdunarodnym uchastiem) "Asteroidnai︠a︡ opasnostʹ", 10-11 okti︠a︡bri︠a︡ 1991 g., S.-Peterburg

Proceedings of All-Union Conference (with international participation) "Asteroid Hazard", October 10-11, 1991, St. Petersburg

By R.S.F.S.R.) Vsesoi︠u︡znoe soveshchanie "Asteroidnai︠a︡ opasnostʹ" (1991 Leningrad