| 000 | 00386cam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 180718b1981 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aW7 M855 | ||
| 245 |
_aTelecommunications and productivity _cedited by Mitchell Moss |
||
| 260 |
_aReading, Massachusetts _bAddison Wesley _c1981 |
||
| 300 | _a376p. | ||
| 650 | _aTechnology | ||
| 650 | _aTelecommunications | ||
| 700 | _aMoss, Mitchell | ||
| 999 |
_c349589 _d349589 |
||