LEADER | 00591cam 22002174a 4500 | |
008 | 061218s2001 nyum b a001 0 eng
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016 | |
020 | |
040 | |
050 | 04 |a TK5105.8865 |b .C712c|d 2001 |
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100 | |
222 | |
245 | 10 |a Carrier grade voice over IP / |c Daniel Collins. |
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260 | |a New York : |b McGraw-Hill, |c c2001. |
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300 | |a xvi, 479 p. : |b ill. ; |c 23 cm. |
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650 | |
930 | |a งปม.|d 23/06/47 |h 867 Baht |
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