Lane, Timothy D. Currency substitution and cross-border monetary aggregation : evidence from the G-7 / Timothy D. Lane & Stephen S. Poloz - Washington : International Monetary Fund (IMF) , 1992 - 31p. : ill. ; 30 cm. - IMF Working paper No. 92/81 . Includes bibliographical references and index. Subjects--Topical Terms: European monetary systems Gov. Doc. Class. No.: UN IMF WP-92-81