http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
theory of the production of social wealth
Etudes d'économie politique appliquée. English
2 volumes (lxvii, 417 pages) : illustrations ; 25 cm.
Léon Walras ; translated and introduced by Jan van Daal.
Includes bibliographical references and indexes.