The GNP Function Approach to Modeling Imports and Exports text Michigan The University of Michigan Press 1994 XVIII, 382p; ill; TRADE IMPORTS EXPORTS 339 339 0-472-10253-2 INLIS000000000003895 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)