> Verlagsreihe
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A classification of forest habitat types of the Lincoln National Forest, New Mexico Billy G. Alexander
Fort Collins, Colorado: Rocky Mountain Forest and Range Experiment Station, 1984 ; Mikrofiche-Ausgabe, Washington, DC: U.S. Government Publishing Office, 1984
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Social and environmental consequences of natural resources policies with special emphasis on bioshere reserves. Proceedings Peter F. Ffolliott, Gonzalo Halffter
Fort Collins,Colo.: Rocky Mountain Forest and Range Experiment Station, 1981 ; Mikrofiche-Ausgabe, Washington, DC: U.S. Government Publishing Office, 1982