http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Stable isotopes in plant nutrition, soil fertility and environmental studies
proceedings of an international symposium on the use of stable isotopes in plant nutrition, soil fertility and environmental studies
Food and Agriculture Organization of the United Nations
jointly organized by the International Atomic Energy Agency and the Food and Agriculture Organization of the United Nations and held in Vienna, 1-5 October 1990.
Includes bibliographical references and indexes.
Proceedings series (International Atomic Energy Agency)