| 团体名称: | Society of Economic Geologists and University of Minnesota, Duluth |
|---|---|
| 题名: | Precambrian Iron-Formation Symposium Fe. : Abstracts and Field Guides / Society of Economic Geologists and University of Minnesota, Duluth. |
| 出版发行项: | Duluth : Minnesota, 1972. |
| 载体形态: | various p. : illus. |