Strømgaard, P. (1987) “Man ’s impact on forcstand rivers. Ed. by John Hemming. (Change in the Amazon basin; vol. 1). The frontier after a decade of colonisation. Ed. by John Hemming. (Change in the Amazon basin; vol. 2)”., Geografisk Tidsskrift, 87. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/44494 (Set: 5 december 2025).