Bedford, Massachusetts : Geophysics Research Directorate, Air Force Cambridge Research Center, Air Research and Development Command, U.S. Air Force., 1960
Research supported by the Meteorological Development Laboratory, Geophysics Research Directorate, Air Force Cambridge Research Center, Air Research and Development Command, U.S. Air Force, Bedford, Massachusetts under Contract No. AF19(604)-1942, performed by the University of Hawaii, Hawaii Institute of Geophysics, Meteorology Division.