Ninth Symposium 
NAVAL HYDRODYNAMICS 
VOLUME 2 
FRONTIER PROBLEMS 
Ae ge, 
WANK. ' va a 
WUUS HOLE Mace 
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sponsored by the J: wWwHo j R | 
OFFICE OF NAVAL RESEARCH 
the 
MINISTERE D’ETAT CHARGE DE LA DEFENSE NATIONALE 
and the 
ASSOCIATION TECHNIQUE MARITIME ET AERONAUTIQUE 
August 20-25, 1972 
Paris, France 
R. BRARD 
A. CASTERA 
Editors 
ACR-203 
OFFICE OF NAVAL RESEARCH— DEPARTMENT OF THE NAVY 
Arlington, .Va. 
For sale by the Superintendent of Documents, U.S. Government Printing Office 
Washington, D.C. 20402 - Price $13.55 
Stock Number 0851-00063 
