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| 005 | 20180201101806.0 | ||
| 008 | 940223s1991----en-a----W----00-----eng-- | ||
| 020 | |a 0273034529 | ||
| 089 | |a 621.381537 | ||
| 100 | 1 | |a Ronayne, John, |d 1935- | |
| 245 | 0 | 0 | |a Introduction to digital communications switching. |
| 250 | |a 2nd ed. | ||
| 260 | |b Pitman, |c 1991 | ||
| 952 | |0 0 |1 0 |4 0 |6 621_381537000000000_RON |7 0 |9 235114 |a PILKINGTON |b PILKINGTON |c MAIN |d 1994-02-23 |l 5 |o 621.381537/RON |p 0400490099 |r 2015-11-23 |w 2018-02-01 |y LONG | ||
| 999 | |c 153805 |d 153805 | ||