@misc{1167566, author = {John W Simeroth and Morton R Carrothers}, title = {Field tests of runway distance markers:}, year = {1957}, month = {1957-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.5466}, language = {en}, }