International Science School for High School Students, 11th, University of Sydney, 1968, Messel, H., & Butler, S. T. Man in inner and outer space; selected lectures on the U. S. manned moon landing programme, the sun, and our own planet. Pergamon Press, 1969.

International Science School for High School Students, 11th, University of Sydney, 1968, Harry Messel, and Stuart Thomas Butler. Man in Inner and Outer Space; Selected Lectures on the U. S. Manned Moon Landing Programme, the Sun, and Our Own Planet. Oxford: Pergamon Press, 1969.

International Science School for High School Students, 11th, University of Sydney, 1968, et al. Man in Inner and Outer Space; Selected Lectures on the U. S. Manned Moon Landing Programme, the Sun, and Our Own Planet. Pergamon Press, 1969.