http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Soils in Mediterranean type climates and their yield potential
proceedings of the 14th colloquium of the International Potash Institute held in Sevilla/Spain 1979
451 p., [1] leaf of plates; ill. (some col.); 23 cm