Title of article :
Encyclopedia of Soils in the Environment (4 volumes), D. Hillel, J.L. Hatfield, D.S. Powlson, C. Rosenzweig, K.M. Scow, M.J. Singer, D.L. Sparks (Eds.), 2005, ISBN 0-12-348530-4, Elsevier Academic Press, Amsterdam, Hardbound, 2119 pp., US$1,095.
