| Authors(s) | Anonymous |
| Year | 1988 |
| Title | The Marine Observer's log. Marine life. North atlantic Ocean. Mar. Obs. 58 (299): 60-61. |
| Authors(s) | Anonymous |
| Year | 1988 |
| Title | The Marine Observer's log. Marine life. North atlantic Ocean. Mar. Obs. 58 (299): 60-61. |