1. Investigaciones Forestales Bioforest S.A. Concepción Chile
2. Land and Water CSIRO Hobart Tasmania Australia
3. Department of Geophysics University of Chile, and Meteodata Ltd. Santiago Chile
4. Departamento de Ingeniería y Suelos Universidad de Chile Santiago Chile
5. Department of Forest Resources Management, Faculty of Forestry University of British Columbia Vancouver British Columbia Canada