00382nam a22001217a 4500020001600000082002100016100001900037245010300056260003500159300002100194526003700215650000800252  a92112211611  a387.1098bSTRcD  aUnited Nation,  aStructural changes in ports and the competitiveness of latin american and caribbean foreign trade/  aChile:bUnited Nation, cc1990  a126 p. :c14 cm.  a0b0c0d387_109800000000000_STR  aMCE