Unifying concepts in ecology : report of the plenary sessions of the first international congress of ecology, The Hague, the Netherlands, September 8-14, 1974 - International Congress of Ecology 1974 : The Hague); Van Dobben,W. H.; Lowe-McConnell, R. H.; International Association of Ecology (London : The Hague, 1975)
Includes index
Keywords: Ecology -- Congress; Ecosystems -- Congress