1. Berryman, A. A., and Pienaar, L. V., 1974, Simulation: A powerful method of investigating the dynamics and management of insect populations, Environ. Entomol.
3:199–207.
2. Berryman, A. A., 1978, A synoptic model of the lodgepole pine/mountain pine beetle interaction and its potential application in forest management, in: Theory and Practice of Mountain Pine Beetle Management in Lodgepole Pine Forests (A. A. Berryman, G. D. Amman, R. W. Stark and D. L. Kibbee, eds.), pp. 95–108, University of Idaho, Forestry, Wildlife and Range Experiment Station, Moscow.
3. Bethlahmy, N., 1975, A Colorado episode: Beetle epidemic, ghost forests, more streamflow, NW Sci.
49: 95–105. (watershed yields)
4. Downing, K. B., and Williams, W. R., 1978, Douglas-fir tussock moth: Did it affect private recreational businesses in northeastern Oregon?, J. For.
76:29–30. (economic impact)
5. Graham, K., 1963, Concepts of Forest Entomology, Reinhold Biological Sciences, New York, (see Chapter 5, Economic Evaluation)