http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
application of Flax's variational principle to lifting-surface theory
Aeronautical Research Council (Great Britain)
"Replaces R.A.E. Tech. Report Number 67 103--A.R.C. 29 600" -- page 1.
Includes bibliographical references (page 38).
Reports and memoranda (Aeronautical Research Council (Great Britain)) ; no. 3564