"Based on a symposium which was held at the 1982 AAAS national annual meeting in Washington, D.C., January 3-8 ... sponsored by the American Geologica...
"Based on a symposium which was held at the 1982 AAAS national annual meeting in Washington, D.C., January 3-8 ... sponsored by the American Geological Institute and by AAAS Section E (Geology and Geography) "--T.p. verso.