000 | 00351nam a2200157Ia 4500 | ||
---|---|---|---|
008 | 190201s9999 xx 000 0 und d | ||
020 | _a46210296 | ||
082 | _a621 | ||
082 | _b381537 | ||
100 | _a"Hills,M.T." | ||
245 | 0 | _aTelecommunications Switc | |
260 | _aLondon | ||
260 | _bGeorge Allen Univ. | ||
260 | _c1979 | ||
300 | _aXIII- 327 | ||
999 |
_c24016 _d24016 |