Sagan, Carl & Thornton Page (editors): UFO's - a scientific debate (Sc)

Proceedings of a symposium sponsored by the American Association for the Advancement of Science (AAAS) held in Boston, Mass., on December 26 and 27, 1969. Contributions by Robert M.L. Baker, Frank D. Drake, Lester Grinspoon, Robert L. Hall, Kenneth R. Hardy, William K. Hartmann, J. Allen Hynek, James E. McDonald, Donald H. Menzel, Philip Morrison, Thornton Page, Alan D. Persky, Douglass R. Prince-Williams, Franklin Roach, Carl Sagan and Walter Sullivan.

1974, W. W. Norton Library, New York

Softcover, 310 pages, index, illustrated
ISBN: 0-393-00739-1