HEA|  |00552nam0 2200193   45  
000|  |143729
001|  |97002702
005|  |970613083615.0
092|  |▼aCN▼b734C0058
100|  |▼a19970218b19601969k                ba
101|0 |▼aeng
102|  |▼aGBR
110|  |▼aaha    0   
200|10|▼aPoint-to-Point Telecommunica-
   |  |tion▼fMarconi Communication Systems Ltd.
207| 0|▼av.1,no.1-v.13,no.4(1960-1969)
210|  |▼aEssex▼cMarconi Communication-
   |  | Systems Ltd.▼d1960-69
215|  |▼a13v.
440| 1|▼120001▼aPoint-to-Point Communications
905|  |▼a801▼vv.9-13▼y1964-69