| Title | Research submersibles: Explorers of the ocean depths |
| Publication Type | Book Chapter |
| Year of Publication | 1979 |
| Authors | Ballard, RD |
| Book Title | Britannica Yearbook of Science and the Future |
| Volume | 1979 |
| Pagination | 46–61 |
| Publisher | Encyclopaedia Britannica |
| City | Chicago, Ill. |
| ISBN Number | 0068-1199 |
