00990nam a2200265 k 4500001001500000005001500015008004100030040001900071041001300090049003600103052002800139056001300167082001200180110004600192245013500238260004200373300003000415490005700445500002600502504002500528653004000553700005700593830005700650950001700707KMO199910392  20190517135424990519s1998    tjka          000   kor    a011001c0110010 akorbeng0 lEM1860524v20lEM1860525v20c201a559.6b한593ㅇㄱc20  a559.6240 a622221  a한국자원연구소,e편0KAB20180088610a碎石을 利用한 人工모래 開發硏究=xResearch for the development of the crushed sand/d한국자원연구소 [편].n2  a대전:b한국자원연구소,c1998  avii,108p.:b삽도;c26cm10a硏究報告書= KIGAM research report;vKR-98(C)-20  a연구자 : 박철환  a참고문헌 : p.108  a쇄석a인공모래aCRUSHEDaSAND1 a박철환,g朴喆桓,d1955-,e연구0KAC201845599 0a연구보고서(한국자원연구소);vKR-98(C)-201 a가격불명