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.
. 1987. 1983
“Characterization And Evaluation Of Agroforestry Systems: The Case Of Acosta-Puriscal, Costa Rica”. Agroforestry Systems 1 (2): 101-115. doi:10.1007/BF00596352. https://doi.org/10.1007/BF00596352.
. 1983.