3 papers: (1) Brink, Rolf: Effective angle of friction for a normally consolidated clay; (2) Karlsson, Rudolf, Pusch, Roland: Shear strength parameters and microstructure characteristics of a quick clay of extremely high water content; (3) Karlsson, Rudolf, Viberg, Leif: Ratio c/p' in relation to liquid limit and plasticity index, with special reference to swedish clays