1. How do we verbalize what we see?;Acking;Landscape Arch.,1973
2. Towards landscape sensibility;Aiken;Landscape,1976
3. The Experience of Landscape;Appleton,1975
4. Landscape evaluation: the theoretical vacuum;Appleton;Trans. Inst. Br. Geogr.,1975
5. The Aesthetics of Landscape,1979