1. The Meanings of Competition
2. Exploitation and Interference in Interspecies Competition
3. Bio-ecology;Clements,1939
4. Population dynamics of bark beetles;Coulson;Ann. Rev. Ent,1978
5. Coulson, R., Payne, T., Coster, J., and Houseweart, M. (1972). “The southern pine beetle, Dendroctonus frontalis Zimm. (Coleoptera: Scolytidae) 1961-1971.” Texas For. Serv. Publ. 108.