American Institute of Mining, Metallurgical, and Petroleum Engineers. Minnesota Section, University of Minnesota, Mining Symposium, & Scott, M. (1975). 48th Annual meeting of the Minnesota Section, AIME, and 36th annual Mining Symposium, January 15, 16, 17, 1975, Duluth, Minnesota: [proceedings]. Dept. of Conferences, Continuing Education and Extension, University of Minnesota.
芝加哥风格引文American Institute of Mining, Metallurgical, and Petroleum Engineers. Minnesota Section, University of Minnesota, Mining Symposium, 与 Marcia Scott. 48th Annual Meeting of the Minnesota Section, AIME, and 36th Annual Mining Symposium, January 15, 16, 17, 1975, Duluth, Minnesota: [proceedings]. [Minneapolis, Minn.: Dept. of Conferences, Continuing Education and Extension, University of Minnesota, 1975.
MLA引文American Institute of Mining, Metallurgical, and Petroleum Engineers. Minnesota Section, et al. 48th Annual Meeting of the Minnesota Section, AIME, and 36th Annual Mining Symposium, January 15, 16, 17, 1975, Duluth, Minnesota: [proceedings]. Dept. of Conferences, Continuing Education and Extension, University of Minnesota, 1975.