| 000 | 004730000a22001570004500 | ||
|---|---|---|---|
| 001 | EST | ||
| 003 | 621.395.5 / L18 | ||
| 004 | M | ||
| 006 | m | ||
| 100 | _aLawson, Robert W. | ||
| 245 | _aTeletraffic concepts in corporate communications | ||
| 047 | _a1-56016-042-X | ||
| 068 | _a(Abc of the telephone: Traffic series) | ||
| 650 | _a<TELECOMUNICACIONES><INGENIERIA><TRAFICO TELEFONICO><MEDICIONES><TELEFONOS><REDES><REDES DE DATOS><DISENO><ERLANG B> | ||
| 999 |
_c11475 _d11475 |
||