000 00293nam a2200121Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a337
100 _aRichard I Leighton
245 0 _aEconamics of International Trade
260 _aNewyork
_bMcgraw Hill
_c1970
942 _cPR
999 _c38470
_d38470