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|---|---|---|---|
| 001 | 001055644 | ||
| 005 | 20180201121658.0 | ||
| 008 | 971210s1996 xxu r 0001 eng c | ||
| 020 | |a 0672309343 | ||
| 082 | 0 | 4 | |a 004.6 |2 21 |
| 245 | 0 | 0 | |a Understanding data communications. |
| 250 | |a 5th ed. / |b rev. by Gilbert Held. | ||
| 260 | |a Indianapolis, Ind. : |b Sams, |c c1996. | ||
| 300 | |a xv, 504p : |b ill. (pbk) ; |c 24 cm. | ||
| 500 | |a Previous ed.: 1994 | ||
| 650 | 0 | 0 | |a Data transmission systems |
| 650 | 0 | 0 | |a Computer networks |
| 700 | 1 | |a Held, Gilbert, |d 1943- | |
| 952 | |0 0 |1 0 |4 0 |6 621_380413000000000_UND |7 0 |9 653628 |a PILKINGTON |b PILKINGTON |c MAIN |d 2002-10-31 |g 26.52 |l 8 |o 621.380413/UND |p 0402633466 |r 2013-06-24 |w 2018-02-01 |y LONG | ||
| 999 | |c 401377 |d 401377 | ||