@misc{1166101, author = {R S Kirby and L G Hause}, title = {Siting factors for VORTAC::part I}, year = {1962}, month = {1962-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.7227}, language = {en}, }