| 000 | 00468nam a2200145 4500 | ||
|---|---|---|---|
| 008 | 01992 1993 0a 000 0usa | ||
| 020 | _a0-07- 049183-6 | ||
| 050 | _aTK5101 P334 1992 | ||
| 082 | _a621.3885 P548t | ||
| 100 | _aPecar, Joseph A. | ||
| 245 | _aThe McGraw Hill telecommunications factbook / Joseph A. Pecar, Roger J. O´Connor, David A. Garbin | ||
| 260 | _aUSA : McGraw Hill | ||
| 300 | _ax, 373 p. / 24 cm. | ||
| 650 | _a1. TELECOMUNICACIONES | ||
| 999 |
_c21991 _d21991 |
||