The World Space Congress : book of abstracts : 43rd Congress of the International Astronautical Federation IAf ; 29th Pleanary Meeting of the Committee on Space Research COSPAR : Washington, D.C. USA, 28 August-5 September 1992 / under the auspices of the American Institute of Aeronautics and Astronuatics (AIAA), National Aeronautics and Space Administration (NASA), United States National Academy ...