Alan M. Christman, Roger D. Radcliff. AM broadcast antennas with elevated radials: varying the number of radials and their height above ground. TBC, 42(1):10-13, 1996. [doi]
@article{ChristmanR96,
title = {AM broadcast antennas with elevated radials: varying the number of radials and their height above ground},
author = {Alan M. Christman and Roger D. Radcliff},
year = {1996},
doi = {10.1109/11.486070},
url = {https://doi.org/10.1109/11.486070},
researchr = {https://researchr.org/publication/ChristmanR96},
cites = {0},
citedby = {0},
journal = {TBC},
volume = {42},
number = {1},
pages = {10-13},
}