1994
. 1994. The Wealth Of Communities: Stories Of Success In Local Environmental Management. West Hartford, CT: Kumarian Press. http://www.worldcat.org/oclc/30567089.
1993
1990
. 1990. “Cataloging Costa Rica's Diversity: To Make Tropical Biodiversity Useful To Society - And Thus To Save It - The First Step Is Finding Out What There Is To Lose”. Bioscience 40 (9): 633-636. doi:10.2307/1311428. http://www.jstor.org/stable/1311428.
1989
. 1989. Developing A Partnership Of Indigenous Peoples, Conservationists, And Land Use Planners In Latin America. Policy, Planning, And Research Working Papers -- Environment (Wps 245). Washington, DC: Latin America and the Caribbean Technical Dept., World Bank. http://www.worldcat.org/oclc/29810664.
1987
. 1987. “Living Fences In Tropical America: A Widespread Agroforestry Practice”. In Agroforestry: Realities, Possibilities And Potentials, 169-178. Dordrecht, Netherlands: Martin Nijhoff Publishers in cooperation with ICRAF; distributors for the U.S. and Canada, Kluwer Academic Publishers. http://www.worldcat.org/oclc/16352684.
1983
. 1983. “An Attempt To Quantify Some Current Agroforestry Practices In Costa Rica”. In Plant Research And Agroforestry: Proceedings Of A Consultative Meeting Held 8-15 April 1981, Nairobi, Kenya, 43-62. Nairobi, Kenya: International Council for Research in Agroforestry (ICRAF). http://www.worldcat.org/oclc/11698847.
1974
. 1974. “Living Fences In Costa Rican Agriculture”. Turrialba 29 (4): 255-261. http://www.worldcat.org/oclc/1695176.
