Bibliografia

Principal

  • Brady, N. C. & Weil, R.R. (2008) The Nature and Properties of Soil (14th edition revised). Pearson International Edition. Pearson Education, Inc., Upper Saddle River, New Jersey. (Os mesmos capítulos da edição anterior) null
  • IUSS Working Group WRB, (2006) World Reference Base for Soil Resources. World Soil Resources Reports 103, FAO, Rome null
  • Buol, S.W., Hole, F.D., Mc Cracken, R.J., Southard, R.J. (1997) Soil Genesis and Classification (4th ed). Iowa State University Press, Ames. (Capítulos 2 - 6). null
  • FAO, (2001) Lecture Notes on the Major Soils of the World. World Soil Resources Reports 94, FAO, Rome null
  • FAO, (1976) A framework for Land Evaluation. FAO Soils Bulletin 32, FAO, Rome null

Secundária

  • European Environment Agency, (2003) Europe’s environment: the third assessment. Environmental assessment report, 10. (Chap. 9: Soil Degradation) null
  • Sanchez, P.A. & Lal, R. (1992) Myths and Science of Soils of the Tropics, SSSA, Special Publication, no. 29. Madison. null
  • EEA, (2000) Down to earth: Soil degradation and sustainable development in Europe - A challenge for the 21st century. Environmental issue report No 16. null
  • Soil Survey Staff (2006) Keys to Soil Taxonomy (10th Ed). USDA/NCRS, Washington. null
  • Sanchez, P. (1976) Properties and Management of Soils in the Tropics. John Wiley & Sons, New York. null