Houvenaghel, Guy T. (September 1980). "Belgium and the early development of modern oceanography, including a note on A.F. Renard". In Sears, M.; Merriman, D. (eds.). Oceanography: the Past. Proceedings of the Third International Congress on the History of Oceanography held 22–26 September 1980 at the Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, USA. Third International Congress on the History of Oceanography. New York: Springer. Retrieved 22 April 2013.