@misc{1144926, author = {William C Stone}, title = {NIST construction automation program, report no. 3::electromagnetic signal attenuation in construction materials}, year = {1997}, month = {1997-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.6055}, language = {en}, }