SMOLSKY, S. M.; VOTOROPIN, S. D.; SAVKOV, N. N.; PLESHCHEEV, A. A.; TROFILEEV, A. A.; OSTAPENKOV, P. S.; FEDOTOV, A. M. Autodyne FM locators of the millimeter-wave range with continuous radiation. Technology and design in electronic equipment, n. 1, p. 7-13, 28 Feb. 2005.