TY - BOOK AU - Cahill, Laurence J. ED - National Academy of Sciences TI - Magnetic exploration of the upper atmosphere T2 - International Geophysical Year Rocket Report Series; No. 4 PY - 1959/// CY - Washington, D. C. PB - National Academy of Science KW - Magnetic ExplorationReportRockets And SatellitesStratigraphyUpper Atmosphere ER -