Title: Sovetsko-amerikanskiĭ ėksperiment po izuchenii︠u︡ aridnogo aėrozoli︠a︡, Tadzhikistan, SSSR, senti︠a︡brʹ 1989 g.
Subjects: International cooperation, Aerosols, Congresses, Observations, Research
Places: United States, Tajikistan, Russia