Showing items related by title, author, creator and subject.

• Libro

  Proceedings of a symposium on the spruce budworm, November 11-14, 1974, Alexandria, Virginia 

  Estados Unidos. Departamento de Agricultura. Forest Service. Forest Insect and Disease Managament; Symposium on the spruce budworm (Estados Unidos, Alexandria, Virginia : 11-14/Nov./1974) (USDA Forest Service. Forest Insect and Disease Managament, 1976)
• Libro

  Proceedings - symposium on the management of logdepole pine to minimize losses to the mountain pine ... 

  Symposium on the management of logdepole pine to minimize losses to the mountain pine beetle (USA, Kalispell : 12-14/Jul./1988); Amman, Gene D. (USDA Forest Service. Intermountain Research Station, 1989)
• Libro

  Foliage dynamics and tree damage components of the western spruce budworm modeling system 

  Crookston, N.L. (USDA Forest Service. Intermountain Research Station, 1991)