| 其他書名 | Workshop on Surface Subsidence Due to Underground Mining, Nov. 30-Dec. 2, 1981, Lakeview Inn and Country Club, Morgantown, W.V. |
| 出版 | Department of Mining Engineering, College of Mineral and Energy Resources, West Virginia University, 1982 |
| URL | http://books.google.com.hk/books?id=XuvkAAAAMAAJ&hl=&source=gbs_api |