@misc{1154241, author = {Glenn F Engen}, title = {Theory of UHF and microwave measurements using the power equation concept:}, year = {1973}, month = {1973-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.637}, language = {en}, }