| 000 | 00412nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 240618s9999||||xx |||||||||||||| ||und|| | ||
| 020 | _aNCST | ||
| 040 | _aMAIN | ||
| 082 | _a335 | ||
| 100 |
_aITU/CCITT _937918 |
||
| 245 | 0 | _aRED BOOK,VOL.VIII,FASCICLE VIII.4: DATA COMMUNICATION NETWORKS TRANSMISSION,SIGNALLING ...(CCITT STD) | |
| 250 | _a1 | ||
| 260 |
_bITU _c1985 _aGENEVA |
||
| 300 | _b357 | ||
| 942 | _cBK | ||
| 999 |
_c44777 _d44777 |
||