Catton, W.R., Jr. (1969) "Motivations of wilderness users." Pulp and Paper Magazine of Canada. (December 19): 121-126.
2.
Driver, B.L. and S.R. Tocher (1970) "Toward a behavioral interpretation of recreational engagements, with implications for planning," in B. L. Driver (ed.) Elements of Outdoor Recreation Planning . Ann Arbor, Mich.: University Microfilms .
3.
Hendee, J.C., W.R. Catton, Jr., L.D. Marlow, and C.F. Brockman (1968) "Wilderness users in the Pacific Northwest—their characteristics, values, and management preferences." USDA Forest Service Research Paper PNW-61.
4.
James, W. (1892) Psychology: The Briefer Course.
5.
Kaplan, R. (1972) "The dimensions of the visual environment: methodological considerations," in W. J. Mitchell (ed.) Environmental Design: Research and Practice. Proceedings of the Environmental Design Research Association Conference Three , Los Angeles.
6.
Kaplan, S. (1972) "The challenge of environmental psychology: a proposal for a new functionalism." Amer. Psychologist27: 140-143.
7.
——— R. Kaplan and J.S. Wendt (1972) Rated preference and complexity for natural and urban visual material. Perception and Psychophysics12: 354-356.
8.
Kulik, J.L., W.R. Revelle and C-L.C. Kulik (1970) "Scale construction by hierarchical cluster analysis." University of Michigan (unpublished)
9.
Lingoes, J.L. (1967) "Non-metric factor analysis: a rank-reducing alternative to linear factor analysis." Multivariate Behavioral Research2: 485-505.
10.
——— (1966) "An IBM-7090 program for Guttman-Lingoes Smallest Space Analysis-III." Behavioral Sci.11: 75-76.
11.
McKechnie, G. (1970) "Measuring environmental disposition with the Environmental Response Inventory," in J. Archea and C. Eastman (eds.) Proceedings of the Second Annual Environmental Design Research Association Conference