Hays, D. F., & Browne, A. L. (1974). Symposium on the Physics of Tire Traction, Warrer, Mich, 1973. Physics of Tire Traction: Theory and Experiments. Plenum press.

Hays, Donald. F., and Alan. L. Browne. Symposium on the Physics of Tire Traction, Warrer, Mich, 1973. Physics of Tire Traction: Theory and Experiments. New York: Plenum press, 1974.

Hays, Donald. F., and Alan. L. Browne. Symposium on the Physics of Tire Traction, Warrer, Mich, 1973. Physics of Tire Traction: Theory and Experiments. Plenum press, 1974.