R. F. Attenuation by Building Materials (NBS report #6003; Boulder, CO: U.S. Dept. of Commerce, National Bureau of Standards, Boulder Laboratories, 1958), by Martin T. Decker (page images at HathiTrust)
from New Online Books http://ift.tt/2qvMhTU
R. F. Attenuation by Building Materials (NBS report #6003; Boulder, CO: U.S. Dept. of Commerce, National Bureau of Standards, Boulder Laboratories, 1958), by Martin T. Decker (page images at HathiTrust)
from New Online Books http://ift.tt/2qvMhTU
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