008971112s1993 ulk 000a kor
■00519990616094835
■040 ▼a241057
■056 ▼a567.01
■090 ▼a567.01▼b박64ㅌ
■1001 ▼a박영철
■24510▼a통신시스템▼xCommunication System▼d박영철 편저
■260 ▼a서울▼b진영사▼c1993
■300 ▼a304p.▼c25cm
■653 ▼a통신시스템▼aCOMMUNICATION▼aSYSTEM▼a시스템
■9500 ▼b\10000▼c(기증);