Crossed products, direct integrals and Connes' classification of type III factors. Colin Sutherland — 1977 Mathematica Scandinavica
The intrinsic invariant of an approximately finite dimensional factor and the cocycle conjugacy of discrete amenable group actions. Katayama, Yoshikazu; Sutherland, Colin E.; Takesaki, Masamichi — 1995 Electronic Research Announcements of the American Mathematical Society [electronic only]