Rockefeller, Barbara. The foreign exchange matrix a new framework for traders to understand currency movements / by Barbara Rockefeller, Vicki Schmelzer. - Petersfield, Hampshire : Harriman House, 2013. - xxii, 276 p. : charts. ; 24 cm. Includes bibliographical references and index ISBN: 9780857191304 Subjects--Topical Terms: Capital movements.Foreign exchange rates.