1. Acking C-A. & Kuller R. (1967). Factors in the perception of human environment: Semantic ratings of interiors from colour slides. Lund Institute of Technology, Department of Theoretical and Applied Aesthetics, Sweden.
2. Acking, C-A. , & Kuller, R. (1968a), Presentation of an interior in full scale and on film. Lund Institute of Technology, Department of Theoretical and Applied Aesthetics, Sweden.
3. Acking, C-A. , & Kuller, R. (1968b). Factors in the perception of human environment: Semantic rating of a housing area. Lund Institute of Technology, Department of Theoretical and Applied Aesthetics, Sweden.
4. Acking, C-A. , & Kuller, R. (1968c). The perception of an interior as a function of its colour. I. Coulour of interior details. Lund Institute of Technology, Department of Theoretical and Applied Aesthetics, Sweden.
5. Acking, C-A. , & Kuller, R. (1969), The perception of an interior as a function of its colour. II. Coulour of interior details. Lund Institute of Technology, Department of Theoretical and Applied Aesthetics, Sweden.