1. Anon (R Development Core Team.) (2008) R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, AT (http://www.R-project.org).
2. Interactions between forest stands and microclimate;Aussenac;Annals of Forest Science,2000
3. Barbeito, I. , Montes, F. , Pardos, M. & Cañellas, I. 2006 Effect of the previous stand structure on regeneration dynamics of Pinus sylvestris L. under different environmental conditions in the Central Mountain Range (Spain). In: Proceedings of the International IUFRO Conference Nearest Neighbors Workshop, University of Minnesota. University of Minnesota, Minneapolis, MN, US.
4. Seedling survival and growth of three forest tree species;Beckage;Ecology,2003