Classification by Broad economic categories : defined in terms of the standard intern. trade classification, Rev. 3 a. the harmonized commodity description a. Coding System (2002) / dep. of econ. a. social affairs, Statistics division. - New York : U.N., 2003. - iii, 82 p. ; 27 cm.см.. - (Statistical papers Serie M ; No. 53, Rev.4). - ISBN 92-1-161460-0[MFN: 3774]