Thies, Walter G.; Niwa, Christine G.; Westlind, Douglas J.; Loewen, Mark D. 1999. Prescribed fire effects on incidence of root disease and bark beetle attacks in ponderosa pine stands. Proceedings of the 5th Joint Meeting of the Western International Forest Disease Work Conference and Western Forest Insect Work Conference. Central Point, OR: USDA Forest Service, Southwest Oregon Forest Insect and Disease Service Center. pp 25-30.