| 000 | 00359nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 230917s9999||||xx |||||||||||||| ||und|| | ||
| 040 |
_e138504 _aMAIN |
||
| 041 | _aEnglish | ||
| 082 | _a005.8 T367N | ||
| 100 | _aThomsa, Tom | ||
| 245 | 0 | _aNetwork security: first step | |
| 260 |
_aSingapore _bPearson education _c2004 |
||
| 300 | _a456p. p. | ||
| 942 | _cBK | ||
| 999 |
_c130655 _d130655 |
||