| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Scleractinian corals from the Upper Cretaceus and Lower Tertiary of Nûgssuaq, West Greenland: De danske Nûgssuaq ekspeditioner 1938-39 under ledelse ... geologiske undersøgelse. Bulletin, 100) | 978-87-421-OO68-4 (87-421-OO68-2) | 1972 |