1. Director, Center for Science and Technology Policy Research, Cooperative Institute for Research in Environmental Sciences, Univ. of Colorado–Boulder, Campus Box 488, Boulder, CO 80309-0488.
2. Chief, National Dept. of Predictions, San Bernardino 278; e/Serrano y Durege, Stos. Suarez, La Habana, Cuba.
3. Research Meteorologist, Hurricane Research Division, Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration, 4301 Rickenbacker Causeway, Miami, FL 33149.
4. Economist, Researcher, and Professor, World Economy Research Centre, No. 309, 22 St. and 5th Ave., Miramar, Havana, Cuba.
5. Managing Director, Center for Science and Technology Policy Research, Cooperative Institute for Research in Environmental Sciences, Univ. of Colorado-Boulder, Campus Box 488, Boulder, CO 80309-0488.