http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
papers deriving from and related to a Workshop on Testability and Explanation in Economics held at Virginia Polytechnic Institute and State University, 1979
Materiały z konferencji zorganizowanej w Virginia Polytechnic Institute and State University w 1979 r.
The University of Western Ontario Series in Philosophy of Science vol. 16