Measurements to support public safety communications [electronic resource] : attenuation and variability of 750 MHz radio wave signals in four large building structures / William F. Young ... [et al.].
Imprint
Boulder, Colo. : U.S. Dept. of Commerce, National Institute of Standards and Technology ; Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O., 2009.