Global change /The proceedings of a symposium sponsored by the international council of scientific unions during its 20th general assembly in Ottawa Canada on september 25, 1984 - Cambridge: Cambridge University Press, 1984 - xxv, 512p. ISBN: 0-521-31499-2 Subjects--Topical Terms: Global Subjects--Index Terms: Change Universal Decimal Class. No.: 550(082.5) / M5