| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Safety in Mines: Final Report on the First Research Programme, 1976-1981 | 978-92-825-7741-7 (92-825-7741-4) | 1988 |
R. Greger · R Gregoire · R. Gregor · R. Gregory · R. Grigorova · R. Grisar · R Grosgurin · Ray Gregory · Roy Gregory