1. Facultad de Agronomía e Ingeniería ForestalPontificia Universidad Católica de ChileAv. Vicuña Mackenna 4860MaculSantiagoChile
2. Dep. of Soil ScienceUniv. of Wisconsin1525 Observatory Dr.MadisonWI53706
3. Cooperative Inst. for Meteorological Satellite StudiesSpace Science and Engineering CenterUniv. of Wisconsin1225 W. Dayton St.MadisonWI53706
4. Biological Systems Engineering, Univ. of Wisconsin460 Henry MallMadisonWI53706
5. Waterborne Environmental, Inc.701 Devonshire Dr., Suite B15ChampaignIL61820