http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Agriculture and food in the 21st century
economic, environmental and social challenges : festschrift on the occasion of Prof. Dr. Dr. h. c. Michael Schmitz 65. birthday
1 online resource (271 pages) : illustrations, charts
edited by Monika Hartmann and Joachim W. Hesse.
Includes bibliographical references at the end of each chapters.
Agriculture and food in the 21st century : economic, environmental and social challenges : festschrift on the occasion of Prof. Dr. Dr. h. c. Michael Schmitz 65. birthday
Frankfurt am Main, [Germany] : PL Academic Research, c2014