| 其他書名 | A Guidebook for the Third National Forum on the Geology of Industrial Minerals, the University of Kansas, Lawrence, Kansas, April 1967 |
| 出版 | State Geological Survey of Kansas, 1967 |
| URL | http://books.google.com.hk/books?id=2mFJAQAAMAAJ&hl=&source=gbs_api |