edited by Gill M. Harwood, and Denys B. Smith

Published for the Geological Society by Blackwell Scientific Publications , Distributor USA and Canada, Blackwell Scientific Publications 1986 Geological Society special publication no. 22

Available at 2 libraries

edited by D.I.B. Smith

Published for the Committee of the Conference on Editorial Problems by Hakkert 1972

Available at 10 libraries

edited by D.I.B. Smith

Published for the Editorial Conference Committee, University of Toronto by University of Toronto Press c1968

Available at 8 libraries