The unknown urban realm - Neveling, U., R. Sulzer, W. Ubbens and G. Wersig (1973): Methodology and results of a content analysis of the papers presented at the Congress ''Citizen and City in the Year 2000''. Plan Europe 2000, Project 3, Vol. 2. 190 pp., 6 figs., 36 tables. The Hague: Martinus Nijhoff. Hfl. 30,- - Carter, H. (Elsevier)
In: 19 (1974), S. 98