@misc{1157236, author = {J W Wright}, title = {Vertical cross sections of the Ionosphere across the geomagnetic equator:}, 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.TN.138}, language = {en}, }