Mountain Research and Development, vol. 14, Nos. 1-4; vol. 15, Nos. 1-3, University of California Press, United States, for UNU and International Mountain Society, United States
Mountain Research and Development, vol. 14, Nos. 1 a 4; vol. 15, Nos. 1 a 3, publicado por University of California Press para la UNU y la International Mountain Society, Estados Unidos de América