"The work described in this report was carried out under contract as part of the Department of Energy's Renewable Energy Research and Development Programme, managed by the Energy Technology Support Unit (ETSU)".
Contractor report ETSU WN 5072-P3.
Analysis of Glasgow University wind tunnel tests on a series of NACA 4-digit aerofoils. Published by Energy Technology Support Unit in 1990. Publication and catalogue information, links to buy online and reader comments.