International merchandise trade statistics : concepts and definitions / Department of Economic and Social Affairs, Statistics Division. - New York : United Nations, 1998. - iii, 40 p. ; 28 cm. - Studies in methods. Series M ; no. 52, rev. 2 . "ST/ESA/STAT/SER.M/52/rev.2." "United Nations publication sales no. E.98.XVII.16"--T.p. verso. Includes bibliographical references and index. ISBN: 9211614104 LCCN: 99172388 Subjects--Topical Terms: International trade.--Statistical methods. LC Class. No.: HF1379 / .U545 1998 Dewey Class. No.: 382 / INT 1998