Allen, R. S., & Checcacci, P. F. (1967). Survey on the measurements of the total electron content variation by means of geostationary satellite transmission. AGARD.
Chicago Style (17th ed.) CitationAllen, R. S., and P. F. Checcacci. Survey on the Measurements of the Total Electron Content Variation by Means of Geostationary Satellite Transmission. Neuilly-sur-Seine: AGARD, 1967.
MLA (9th ed.) CitationAllen, R. S., and P. F. Checcacci. Survey on the Measurements of the Total Electron Content Variation by Means of Geostationary Satellite Transmission. AGARD, 1967.
Warning: These citations may not always be 100% accurate.