Guttesen, Rolf. 1999. “Companion Encyclopedia Ofgeography - the Environment and Human Kind. I. Douglas, R. Huggett & M. Robinson. London, Routledge, 1996. Xxviii, 1021 s., ill., 24 Cm. G8P95,-”. Geografisk Tidsskrift 99 (januar). https://tidsskrift.dk/geografisktidsskrift/article/view/42359.