Minerals yearbook
United States. Department of the Interior. U.S. Geological Survey(USGS). United States Government Printing Office, 19--.
에너지경제연구원 전자도서관
[R TN13 M5 1997(v.3),R TN13 M5 1996(v.3),R TN13 M5 1995(v.1),R TN13 M5 1994(v.1),R TN13 M5 1989(v.3, pt.3),R TN13 M5 1989(v.3, pt.2),R TN13 M5 1989(v.3, pt.1),R TN13 M5 1989(v.1),R TN13 M5 1988(v.3),R TN13 M5 1988(v.2),R TN13 M5 1988(v.1),R TN13 M5 1987(v.3),R TN13 M5 1987(v.2),R TN13 M5 1987(v.1),R TN13 M5 1985(v.3),R TN13 M5 1985(v.1),R TN13 M5 1977(v.1),R TN13 M5 1973(v.3)]
대출가능