1. Aber, J.D., 1997. Photosynthesis and Evapotranspiration (PnET) (http://dino.wiz.uni-kassel.de/model_db/mdb/pnet.html)
2. Modeling nitrogen saturation in forest ecosystems in response to land use and atmospheric deposition;Aber;Ecological Modelling,1997
3. Acevedo, M., Tonella, G., Jaimez, R., 1989. PAN EARTH Project, Venezuela Case Study. Workshop Report: National Problems Caused by Global Climate Change, Cornell University and Universidad de los Andes, Merida, Venezuela.
4. Assessing potential impacts of global climate change on maize and black bean in Venezuela;Acevedo;Ecotropicos,1996
5. Adams, D.M., Alig, R.J., Callaway, J.M., McCarl, B.A., Winnett, S.M., 1996. The Forest and Agricultural Sector Optimization Model (FASOM)—Model Structure and Policy Applications—Introduction (Research Paper No. 495). USDA Forest Service, Pacific Northwest Research Station, Corvallis, OR.