sponsored by NASA Office of Space Science and held at the University of Chicago, January 19-21, 1978 ; editors, David Morrison, NASA, Office of Space Science, William C. Wells, Science Applications, inc. ; co-chairmen, Edward Anders, University of Chicago, David Morrison, NASA, Office of Space Science
sponsored by the National Aeronautics and Space Administration and the Federal Aviation Administration and held in Atlantic City, New Jersey, January 30, 1986 ; compiled by Frederick R. Morrell