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BBC RD 1980/12
RESEARCH DEPARTMENT REPORT
An investigation into the mechanism
o f s o un d -e n e r g y a b s o r p t i o n i n alow-frequency
modular absorber
R. Walker, B.Sc.(Eng.)K.E. Randall, M.I.E.E.
Research Department, Engineering DivisionTHE BRITISH
BROADCASTING CORPORATION November 1980
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