A statistical summary of solar flare reports and observatory practices for the period 1955-1964Delos C. Jensen, Hans J. E. Fischer, Air Force Cambridge Research Laboratories (U.S.) · First published 1967Open the Tome
The operating history of the international solar flare patrol, 1955-1964Delos C. Jensen · First published 1967Open the Tome
Collected and corrected solar flare reports, 1955-1964Hans J. E. Fischer, Delos C. Jensen, Air Force Cambridge Research Laboratories (U.S.). Space Physics Laboratory · First published 1966Open the Tome
