| Authors(s) | Cooper, G.A. and D.C.T. Forsyth |
| Year | 1963 |
| Title | Continuous Plankton Records: Contributions towards a Plankton Atlas of the NE Atlantic and the North Sea, Part VII: The seasonal and annual distribution of the Pteropod Pneumodermopsis, Keferstein. Bulletin of Marine Ecology, 67: 31-38. |