http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
the history of civil and commercial aviation
International Conference on the History of Civil and Commercial Aviation (1992 : Lucerne, Switzerland)
v. 1. Infrastructure and environment / edited by William M. Leary -- v. 2. Pioneers and operations / edited by William F. Trimble.
Includes bibliographical references and indexes.
Proceedings of the International Conference on the History of Civil and Commercial Aviation ; v. 1-2