HEA|  |00493nam0 2200181   45  
000|  |143242
001|  |97001800
092|  |▼aCN▼b738C0051
100|  |▼a19970217b19661967k                ba
101|0 |▼aeng
102|  |▼aGBR
110|  |▼aafa    0   
200|10|▼aData Control Systems▼fBusine-
   |  |ss Publications Ltd.
207| 0|▼a1966,no.5-1967,no.4
210|  |▼aLondon▼cBusiness Publication-
   |  |s Ltd.▼d1966-67
430| 1|▼120001▼aData and Control
440| 1|▼120001▼aData Systems(1967,no.5)
905|  |▼a801▼d/▼e▼f2