Zelinsky, W., Kosinski, L.A., Prothero, R.M., éditeurs, Geography and a Crowding World, A Symposium on Population Pressures upon Physical and Social Resources in the Developing Lands, New York, London, Toronto, Oxford University Press, 1970, 688 p., glossaire, index, bibliographie. - Schnepf, Ralph (Cahiers de géographie du Québec)