000 003380000a22001210004500
100 _a
_aHeller
_bH. Robert
245 _a International trade: theory and empirical evidence
260 _a
_b
_aEnglewood Cliffs
_bPrentice-Hall
_cUS
260 _c
_a1968
300 _a
_axii, 189p.
041 _a <En>
082 _a 382.1/HEL
650 _a <International trade>
999 _c34114
_d34114