@article{articled16765a1,
title   = {Vertical integration, bilateral oligopoly and anitrust in the market for cooking gas in Brazil},
author = {Postali, Fernando Antonio Slaibe and Andrade Neto, José Barreto de},
year = {2010},
doi = {10.11132/rea.2010.416},
journal   = {Revista de Economia e Administração}
}