@misc{1180371, author = {R H McKnight and F R Kotter and M Misakian}, title = {Measurement of ion current density at ground level in the vicinity of high voltage DC transmission lines:}, year = {1981}, month = {1981-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.81-2410}, language = {en}, }