1. Use of the Loran-C system for time and frequency dissemination;Pakos;Freq. Tech.,1969
2. Time synchronization from Loran-C;Shapiro;IEEE Spectrum,1968
3. Loran-C sky-wave delay measurements;Shapiro;IEEE Trans. Instrum. Meas.,1968
4. Stetina , F. L. S. Z. Zufall Loran-C, a time synchronization technique Greenbelt, Maryland 1969
5. United States Naval Observatory Daily phase values, April 8, Ser. 4(166) Washington, D. C. 1970