Computer radiation patterns of log periodie antennas over lossy plane ground /
by M. T. Ma and L. E. Walters
- Washington, D.C. : U.S. Department of Commerce, 1967
- 52 p. ; 26 cm.
- ESSA technical report IER 54-ITSA 52 .
Radiation--Physiological effect--United States Radiobiology--United States Radiotherapy