sponsored by the International Council of Scientific Unions (ICSU) during its 20th General Assembly in Ottawa, Canada on September 25, 1984 ; edited by T.F. Malone and J.G. Roederer

Cambridge University Press 1985 ICSU Press symposium series no. 5

: hard covers , : pbk.

Available at 14 libraries

edited by Sir Henry Lyons

Harrison 1935 Reports of proceedings v. 2

Available at 3 libraries