Crawford, R. L., Jennings, R., & Crawford, R. L. (1974). Phenomenology of particles at high energies: Proceedings of the fourteenth Scottish Universities Summer School in Physics, 1973. London: Academic Press.

Crawford, Robert L., R. Jennings, and R. L. Crawford. Phenomenology of Particles At High Energies: Proceedings of the Fourteenth Scottish Universities Summer School in Physics, 1973. London: Academic Press, 1974.

Crawford, Robert L., R. Jennings, and R. L. Crawford. Phenomenology of Particles At High Energies: Proceedings of the Fourteenth Scottish Universities Summer School in Physics, 1973. London: Academic Press, 1974.