000 | 00322nam a2200121Ia 4500 | ||
---|---|---|---|
008 | 220201s1992 xx 000 0 eng d | ||
041 | _aENG | ||
100 | _aI.S: 3515-1966 | ||
245 | 0 | _aTELECOMMUNICATION SWITCHING AND NETWORK | |
260 |
_aLONDON _bTHAMES AND HUDSON PUBLISHING COMPANY _c1992 |
||
300 | _a583 | ||
942 | _2ddc | ||
999 |
_c57894 _d57894 |