report of the meeting of the IUBS Working Group on Tropical Mountain Ecosystems/Decade of the Tropics Programme ; co-sponsored with the UNESCO Man and Biosphere (MAB) Programme and the Spanish National Committee to IUBS, 2-4 May, 1984, Barcelona, Cataluna, Spain ; edited by Maximina Monasterio, and Guillermo Sarmiento, Otto T. Solbrig