Keen, C. E.; Piper, D. J. W.; Keen, M. J. (1983): Canada; its role in international marine geoscience. Geological Survey of Canada, Ottawa, ON, Canada, In: Johnson, R. D. (editor), Clark, J. I. (editor), Johnson-Ibach, L. E. (editor), Kenn, M. J. (editor), Reinson, G. E. (editor), Savage, P. J. (editor), The geosciences in Canada, 1980; Part 1, Marine geoscience in Canada; a status report, 81-6 (1), 54-55, georefid:1983-045279