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| 008 | 190711s9999 xx 000 0 und d | ||
| 020 | _a978052184868 | ||
| 082 | _a621.38195404 R988 | ||
| 100 | _aRYAN, W. E. | ||
| 245 | 0 | _aCHANNEL CODES | |
| 260 |
_aNEW YORK _bCambridge University Press _c2009 |
||
| 300 | _axvi+692p., 25x17Cms. | ||
| 942 |
_cBK _2DDC |
||
| 999 |
_c38504 _d38504 |
||