R. Friedman

Large-scale reductions in speeding and accidents in Canada and Israel: a behavioral ecological perspective.

R Van Houten, R. Van Houten, A Rolider, 1985, Journal of applied behavior analysis.

When You Find Yourself in a Hole, Stop Digging: Comments on Earth Systems Engineering

R. Friedman, 1999 .

Northern continuation of the eastern Waddington Thrust Belt and Tyaughton Trough, Tatla Lake-Bussel Creek map areas, west-central British Columbia

P. Mustard, P. V. D. Heyden, R. Friedman, 1994 .