008981019s1998 ulk 000a kor
■00519990727090940
■020 ▼a8970931341
■040 ▼a241057▼c241057
■056 ▼a566.501
■090 ▼a566.501▼b정819ㄷ
■1001 ▼a정진욱
■24510▼a데이터통신 입문▼xDate communications▼d정진욱▼e곽경섭▼e김준년▼e강충구
■260 ▼a서울▼b光文閣▼c1998
■300 ▼a677p.▼c26cm
■653 ▼a데이터▼aDATE▼aCOMMUNICATIONS▼a통신
■9500 ▼b\23000▼c(기증);