TY - BOOK AU - Zelikoff,M. ED - Conference on Chemical Aeronomy ED - Air Force Cambridge Research Laboratories (U.S.). TI - The threshold of space: the proceedings of the Conference on Chemical Aeronomy PY - 1957/// CY - New York PB - Symposium Publications Division, Pergamon Press KW - Atmosphere, Upper KW - Congresses KW - Atmosphere N1 - "Sponsored by Geophysics Research Directorate, Air Force Cambridge Research Center, Air Research and Development Command .. coordinated by Wentworth Institute." ER -