Board, Christopher, Chorley, Richard S., Haggett, Peter, Stoddart, David R., edit. Progress in Geography. International Reviews of Current Research. London, Edard Arnold. Volume 2, 1970, 235 pages. Volume 3, 1971, 231 pages. - Dufournaud, Christian; Raveneau, Jean (Cahiers de géographie du Québec, 1972)