HEA|  |00397nam0 2200169   45  
000|  |145026
001|  |97001835
005|  |970706103354.0
092|  |▼aCN▼b734F0108
100|  |▼a19970220b19229999m  y0engy0120    ba
101|0 |▼aeng
102|  |▼aFRA
110|  |▼aafa    0uu0
200|10|▼aElectrical Communication
207| 0|▼av.1 no.1(Jan,1922)-
210|  |▼aParis▼cAlcatel▼d1922-
905|  |▼a801▼b000500500484▼d734