| Title | 30,000 feet and 30 years later: Some thoughts on the deepest presence concept |
| Publication Type | Journal Article |
| Year of Publication | 1990 |
| Authors | Walsh, D |
| Journal | Marine Technology Society Journal |
| Volume | 24 |
| Pagination | 7–8 |
| ISSN | 0025-3324 |
| Title | 30,000 feet and 30 years later: Some thoughts on the deepest presence concept |
| Publication Type | Journal Article |
| Year of Publication | 1990 |
| Authors | Walsh, D |
| Journal | Marine Technology Society Journal |
| Volume | 24 |
| Pagination | 7–8 |
| ISSN | 0025-3324 |