http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
needs and resources, methods of forecasting : proceedings of the World Conference, Paris 9-13 September 1974
Proceedings of the World Conference Towards a Plan of Actions for Mankind
XV, [1], 314 stron : ilustracje ; 26 cm.
W języku angielskim, w języku francuskim.