J R · J. S. · Jennifer S · S R
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A Personal Computer Program and Spreadsheet for Calculating the Practical Coal Mine Roof Rating | 978-99943-633-7-7 (99943-633-7-9) | 1994 | William J. Wuest |
| A Personal Computer Program and Spreadsheet for Calculating the Practical Coal Mine Roof Rating | 978-99943-700-8-5 (99943-700-8-1) | 1994 | " |
| A Personal Computer Program and Spreadsheet for Calculating the Practical Coal Mine Roof Rating | 978-99943-773-4-3 (99943-773-4-5) | 1994 | " |