doi> Barros, Marisa; SZKLO, A. Petroleum refining flexibility and cost to address the risk of ethanol supply disruptions: The case of Brazil. Renewable Energy, v. 77, p. 20-31, 2015.
doi> Barros, Marisa; SZKLO, A. Petroleum refining flexibility and cost to address the risk of ethanol supply disruptions: The case of Brazil. Renewable Energy, v. 77, p. 20-31, 2015.