| 000 | 00348nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 190711s9999 xx 000 0 und d | ||
| 020 | _a1596930500 | ||
| 082 | _a621.381951 J65 | ||
| 100 | _aJOHNSTON,A.B | ||
| 245 | 0 | _aUNDERSTANDING VOICE OVER IP SECURITY | |
| 260 |
_aBoston _bArtech House _c2006 |
||
| 300 | _axv+26p.,22x15Cms | ||
| 942 |
_cBK _2DDC |
||
| 999 |
_c34262 _d34262 |
||