http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Plant Nutrition -- Physiology and Applications
Proceedings of the Eleventh International Plant Nutrition Colloquium, 30 July-4 August 1989, Wageningen, the Netherlands
Proceedings of the XI International Plant Nutrition Colloquium 1989, Wageningen, The Netherlands, July 30 - August 4, 1989
Developments in plant and soil sciences ; 41