BeckC. (1986). Education for spirituality. Interchange, 17 (2), 148–156
2.
BeckL. A. (1988). The phenomenology of optimal experiences attained by whitewater river recreationists in Canyonlands National Park. (Doctoral dissertation, University of Minnesota, 1987.)Dissertation Abstracts International, 48 (9), 2451A
3.
BrownM. H. (1989). Transpersonal psychology: Facilitating transformation in outdoor experiential education. Journal of Experiential Education, 12 (3), 47–56
4.
CheneryM. F. (1984, September/October). Nurturing the human spirit in camping. Camping Magazine, 57, 21–27
5.
CsikszentmihalyiM. (1975). Beyond boredom and anxiety. San Francisco: Josey-Bass
6.
FoxF. E. (1983). The spiritual core of experiential education. Journal of Experiential Education, 6 (3), 3–6
7.
JamesW. (1902/1958). The varieties of religious experience. New York: New American Library/Mentor Books
8.
KaplanS.TalbotJ. F. (1983). Psychological benefits of a wilderness experience. In AltmanI.WohlwillJ. F. (Eds.), Behavior and the natural environment, Vol. 6, New York: Plenum, 163–203
9.
LincolnY. S.GubaE. G. (1985). Naturalistic inquiry. Beverly Hills: Sage
10.
MaslowA. (1968). Toward a psychology of being (2nd ed.). Princeton, NJ: Van Nostrand
11.
MaslowA. (1970). Motivation and personality (2nd ed.). New York: Harper & Row
12.
OttoR. (1970). The idea of the holy (2nd ed.). (HarveyJ. W., Trans.). New York: Oxford University Press. (The original work was published in 1950.)