Spence, I. (2000). Impressions of Invermere and the PW5. free flight
/ vol libre, 54(5), 10-11, 23.
Spence, I. (1999). All you ever wanted to know about G.P.S. New
Zealand Gliding Kiwi, 25(1), 40-43.
Berry, C. A., Baranski, J. V., & Spence, I. (1998). Long-term memory
for elementary visual percepts: symbolic vs. metric learning paradigms.
(Abstract). In Grondin, S., & Lacouture, Y. (Eds.) Fechner Day
98: Proceedings of the 14th Annual Meeting of the International Society
for Psychophysics, Universite Laval, PQ. p. 198.
Spence, I. (1998). Impressions of Brandon 98. free flight / vol
libre, 52(4), 6-9.
Spence, I. (1998). GPS Q & A. free flight / vol libre, 52(5),
8-10
Spence, I. & Krizel, P. (1994) Children's perception of proportion
in graphs. Child Development, 65, 1193-1213.
McCabe, A.E., Siegel, L.S., Spence, I. and Wilkinson, A. (1982) Class
inclusion reasoning: Patterns of performance from 3 to 8 years. Child
Development, 53, 780-785.
Pinkerton, P.H., Spence, I., et. al. (1970). An assessment of the Coulter
counter model S. Journal of Clinical Pathology, 23, 68-76.