TY  - BOOK
ED  - Puerto Rico.
TI  - Maritime statistical report = Informe marítimo
PY  - 1987///-
CY  - San Juan, P. R.
PB  - Ports Authority. Economic Research Office
KW  - Harbors
KW  - Traffic control
KW  - Local
KW  - Port districts
KW  - Puerto Rico
ER  -