International Geographical Congress. 27., IGC, Washington, D. C., 1992. = Congrès International de Géographie ===> Solicitar a/por: Depósito Proatlas 008481
International Geographical Congress. 27., IGC, Washington, D. C., 1992. = Congrès International de Géographie ===> Solicitar a/por: Depósito Proatlas 008481