| Title | The ocean depths |
| Publication Type | Book Chapter |
| Year of Publication | 1978 |
| Authors | Ballard, RD |
| Book Title | Ocean Realm |
| Pagination | 148–167 |
| Publisher | National Geographic Society |
| City | Washington, D.C. |
| ISBN Number | 0870442511 |
| Title | The ocean depths |
| Publication Type | Book Chapter |
| Year of Publication | 1978 |
| Authors | Ballard, RD |
| Book Title | Ocean Realm |
| Pagination | 148–167 |
| Publisher | National Geographic Society |
| City | Washington, D.C. |
| ISBN Number | 0870442511 |