Accession Number : AD0132117


Title :   STUDY OF GEOMAGNETIC CUT-OFF ENERGIES AND TEMPORAL VARIATION OF THE PRIMARY COSMIC RADIATION


Corporate Author : IOWA STATE UNIV IOWA CITY


Personal Author(s) : MC DONALD, FRANK B.


Report Date : APR 1957


Pagination or Media Count : 1


Descriptors :   *ALPHA PARTICLES, *COSMIC RAYS, *NUCLEAR ENERGY LEVELS, SCINTILLATION COUNTERS, SPECTROGRAPHIC ANALYSIS.


Distribution Statement : APPROVED FOR PUBLIC RELEASE