TY  - BOOK
AU  - U. N., Economic and Social Affairs- International, Deptt. of-. Commodity Trade Statistics, 1980 -
TI  - United States of America, Puerto Rico
T2  - Statistical papers, series- D
U1  - 382.40182 
PY  - 1982///
CY  - New York
PB  - United Nations
ER  -