University of Sydney. Nuclear Research Foundation, Messel, H., & Butler, S. T. (1964). Space physics and radio astronomy. St. Martin's Press.

University of Sydney. Nuclear Research Foundation, H. Messel, and S. T. Butler. Space Physics and Radio Astronomy. New York: St. Martin's Press, 1964.

University of Sydney. Nuclear Research Foundation, et al. Space Physics and Radio Astronomy. St. Martin's Press, 1964.