El desafío ecológico

by 97412 Munford, L., 63212 Dorst, J., Varese, Stefano 127444, 64455 Eckholm, E., 102410 Paccino, D., 98235 Nader, R., 86891 Lindsay, J., 121593 Steif, W., 91931 Maulnier, T., 50333 Bosquet, M.
Published 1977

Hillside agriculture and the environment

by 86891 Lindsay, J., 15079 Natural Resources Conservation Authority, Kingston (Jamaica), 9035 German Technical Cooperation Agency (GTZ), Kingston (Jamaica), 97 IICA, Kingston (Jamaica), Seminar Sustainable Agricultural Development and the Environment: focus on watersheds Kingston (Jamaica) 21-23 Jun 1994
Published 1995