Soziale und raumliche Ungleichheit in Warschau . Jens Dangschat; Stadtentwicklungen in West- und Osteuropa . Jurgen Friedrichs, editor; The Federal Government and Urban Housing . R. Allen Hays, and Housing Needs and Policy Approaches: Trends in Thirteen Countries . Willem van Vliet, Elizabeth Huttman, and Sylvia F. Fava, editors; Metropolitan Corridor: Railroads and the American Scene . John R. Stilgoe