http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Variable pitch fan propulsion for quiet S.T.O.L
International Symposium on Air Breathing Engines 1972 : Marseille, France)
20 unnumbered pages : chiefly illustrations ; 30 cm.
1st International Symposium on Air Breathing Engines, 19-23 June 1972, Marseille, France.