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020 _a876920377
082 _a382
_bHEL
_223
100 _aHELLER, H.Robert
245 _aInternational trade: theory and empirical evidence
_c/[by] H.Robert Heller
250 _a2nd ed.
260 _aNew Delhi
_bPrentice-Hall
_c1979
300 _axiv, 236 p.
500 _aIncludes appendix and index.
509 _aNS
942 _cR