Sustainable Safety and Prosperity: Leading Solutions in Georesource Technology
한국지질자원연구원
1977-04-20
보고서
1109
9
http://library.kigam.re.kr/report/1977/구산동지질도폭설명서.pdf
장기홍. (1977). 九山洞 地質圖幅說明書. 자원개발연구소.
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