LDR 00622nam a2200181zu 4500 008 090205n chi d 110 2 _612 _aTaehan Min'guk Kwahak Kisulch'ô Kungnip Chijil Chosaso 110 2 _612 _a대한민국과학기술처 국립지질조사소 245 _602 _aT'anjôn chijil chosa pogo 245 _602 _a탄전지질조사보고 _b 260 _aSôul 650 _aJournal -- Geology -- Mining Industry -- Coal Mines -- ROK 866 0 _a8.1967:12 946 _a 947 _a34884 001 IFS60508 999 _c332122 _d332122 952 _z34884 _70 _c1 _40 _00 _660000131 _9196750 _yBOOK _10 _o6000/0131 _d2009-05-14 _aIFS