M. et Alli, “Modeling of the Measurement of Flow Measurement of the Flow of Hot Air in Straight Tube of Blast Furnace,” 39th Seminar of Reduction of Ore of Iron and Raw Materials, Ouro Preto, 22-26 November 2009, pp. 1-10.
 G. J. Delmée, “Manual de Medicao de Vazao,” Editora Edgard Blücher Ltda, Sao Paulo, 1983.
 E. C. Bortoni and Z. Souza, “Instrumentation for Energy and Industrial Systems,” Editora Novo Mundo Ltda, Itajubá, 2006.
 L. Siglüeri and A. Nishinori, “Controls Automatic of Industrial Processes,” Edgard Blücher Ltda, Sao Paulo, 1992.
 A. Johansson and A. Medvedev, “Detection of Incipient Clogging in Pulverised Coal Injection Lines,” IEEE Transactions on Industry Applications, Vol. 36, No. 3, 2000, pp. 877-883. http://dx.doi.org/10.1109/28.845065
 W. Birk, A. Johansson and A. Medvedev, “Model-Based Goes to Fine Coal Injection Plant,” IEEE Control Systems Magazine, Vol. 19, No. 1, 1997, pp. 33-43.