by Lowe-McConnell, R.H.
-- Royal Geographical Society (Great Britain);
Institute of Biology (London, England) -- Symposium on Man-Made Lakes (1965 : London).
by Bartlett, M. S (Maurice Stevenson);
Hiorns, R. W.
-- Institute of Mathematics and its Applications (Organization);
Institute of Biology (London, England) -- Conference on the Dynamics of Biological Populations (1972 : University of Oxford).