Reis Xavier, T., R. de Oliveira Inácio, M. L. Wittmann, and Ângela Cabral Flecha. “Potential for the Formation of a Tourism Network in the City of Ouro Preto/MG/Brazil”. PASOS Revista De Turismo Y Patrimonio Cultural, vol. 10, no. 5, Oct. 2012, pp. 605-18, doi:10.25145/j.pasos.2012.10.075.