| 000 | 004030000a22001330004500 | ||
|---|---|---|---|
| 110 | _aPuerto Rico Telephone Authority. | ||
| 245 |
_aAnnual report of the Puerto Rico Telephone Authority and Puerto Rico Telephone Company _hPrint |
||
| 260 |
_aSan Juan _bPuerto Rico Telephone Authority _c1974- |
||
| 084 | _aP8537 | ||
| 852 | _aRB | ||
| 866 | _a1974-1976, 1982, 1983. | ||
| 942 | _cSR | ||
| 999 |
_c167806 _d167806 |
||