http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
application of non-dimensional methods to the planning of helicopter performance flight trials and the analysis of results
42 unnumbered pages : 14 plates (diagrams), tables. ; 30 cm.
Current papers (Aeronautical Research Council (Great Britain)) ; no. 927