Santos Junior, Althair Ferreira dos, and Marlene Kempfer Bassoli. “Incentives through Selective Property Taxes Rates for Motor Vehicles That Use Less Environmental Impact Fuel”. Revista Do Direito Público, vol. 4, no. 3, Dec. 2009, pp. 136-55, doi:10.5433/1980-511X.2009v4n3p136.