@article{MOMA_1978__85_177859,
     author = {Marc A. Rieffel},
     title = {The {Type} of {Group} {Measure} {Space} von {Neumann} {Algebras.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {149--162},
     publisher = {mathdoc},
     volume = {85},
     year = {1978},
     zbl = {0373.46076},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1978__85_177859/}
}