by (USSR)A.Simonova;by (United States)Dean R.Snow; by (USSR)A.Starkov;by (United States)K.Sandberg; by (USSR)N.Piskunov;by (United States)J.M.Shapiro; by (USSR)A.V.Efimov;by (United States)M.Mandl; by (USSR)D.N.Trifonov;by (United States)L.K.Williams; by (USSR)N.L.Glinka;by (United States)D.Henderson; by (USSR)I.A.Rrezanov;by (United States)N.C.Barford; by (USSR)V.S.Vladimirov;by (United States)A.G.Webster; by (USSR)I.Duncan; (United States)C.Payne; by (USSR)B.J.Zwolinski;by (United States)R.R.Shannon;