RT Journal Article SR Electronic T1 Derivatives Markets in Brazil JF The Journal of Derivatives FD Institutional Investor Journals SP 63 OP 78 DO 10.3905/jod.1996.407959 VO 4 IS 1 A1 Bruno Saturnino Braga YR 1996 UL https://pm-research.com/content/4/1/63.abstract AB