Klopfenstein, Gary. Trading currency cross rates / Gary Klopfenstein, Jon Stein. - New York : J. Wiley, 1993. - xvi, 160 p. : ill. ; 24 cm. - Wiley trader's advantage series. . Includes index. ISBN: 0471569488 (cased.) Subjects--Topical Terms: Foreign exchange futures.Hedging (Finance).