| Authors(s) | Janssen, A. W. |
| Year | 1990a |
| Title | Long distance correlation of Cainozoic deposits by means of planktonic gastropods ('pteropods'); some examples of future possibilities. Tertiary Research 11(2-4): 65-72. |
| Authors(s) | Janssen, A. W. |
| Year | 1990a |
| Title | Long distance correlation of Cainozoic deposits by means of planktonic gastropods ('pteropods'); some examples of future possibilities. Tertiary Research 11(2-4): 65-72. |