Russian visitors to NCAR, 1968-1978

(668) Russian visitors, with Walter Orr Roberts, John Firor, and William Kellogg, September 5, 1968; (938) Six Russian scientific visitors at NCAR, NBS, Kellogg, September 29, 1969; (3304) Union of Soviet Socialist Republics (USSR) visiting scientists, Vladimir Penenko and Valentin Dymnikov, January 12, 1976; (4503B) Russian visitors with Ed Zipser and Peggy LeMone, March 20, 1978; (4606) Russian visitors interview, Vladimir Aleksandrov, Vladimir Sergin, May 26, 1978.