An investigation of turbulence generation and wall shear stress spectral analysis during unsteady flow in tubesAinola, Leo; Koppel, Tiit; Liiv, UnoXVIII IAHR Congress : Cagliari, Italia, 10 - 14 Sept. 1979 : 3, Proceedings, Subject B : Mass and heat exchange in hydraulic phenomena1979 / p. 165-172 Hydrodynamical analysis of ice floodsKivisild, Hans R.International Association for Hydraulic Research : 8th Congress, Montreal, August 24-29, 19591959 / p. 23-F-1 - 23-F-30: ill Modern measuring equipment and its use for investigation of single phase and two-phase flows in the USSRVassiltsenko, G. V.; Dubovik, L. Y.; Liiv, Uno; Mass, I. E.; Nevski, V. V.; Smirnov, Y. S.; Tšatsouk, G. S.XX IAHR Congress, Moscow, USSR, September 5-9, 1983 : abstracts = XX congrès de l'AIRH, Moscou, URSS, 5-9 septembre 1983 : résumés1983 / p. 191-200