APA

Gilbert W., Roncolatto R., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. & Roncolatto R.FCC SOx emission reduction. : .

Chicago

Gilbert W.R, Roncolatto R.E, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Roncolatto R.E.FCC SOx emission reduction. : .

Harvard

Gilbert W., Roncolatto R., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. and Roncolatto R.FCC SOx emission reduction. : .

MLA

Gilbert W.R, Roncolatto R.E, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Roncolatto R.E.: . .