@misc{1167141, author = {Wilhelm Nupen}, title = {Preliminary measurements of phase stability over low-level tropospheric paths:}, year = {1958}, month = {1958-09-01 04:09:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.6010}, language = {en}, }