64
Bouter, L.M., et al., Sensation seeking and injury risk in downhill skiing. Personality and individual differences, 1988. 9 (3): p. 667–673.
65
Smith, S.G., The essential qualities of a home. Journal of Environmental Psychology, 1994. 14 (1): p. 31–46.
66
Hall, E.T., The Hidden Dimension. 1966, Doubleday.
67
Aiello, J.R. and D. E. Thompson, Personal space, crowding, and spatial behavior in a cultural context, in Environment and culture. 1980, Springer. p. 107–178.