1. Gravel size analysis from photographs;Adams;J. Hydraul. Div. Proc. ASCE,1979
2. Cambios edáficos asociados a tres etapas sucesionales de bosque seco tropical en Guanacaste, Costa Rica;Alfaro;Agron. Costarric.,2001
3. Plant form, developmental plasticity, and survival following burial by volcanic tephra;Antos;Can. J. Bot.,1985
4. Statistical methods in biology;Bailey,1995
5. Loss-on-ignition as an estimate of organic matter and organic carbon in non- calcareous soils;Ball;J. Soil Sci.,1964