| Authors | Year | Title | Publisher |
| Haskin LA, Helmke PA, Paster TP & Allen RO | 1971 | Rare earths in meteoric, terrestrial and lunar matter | In: Brunfelt A O and Steinnes E (eds.). Activation analyses in geochemistry and cosmochemistry. Universitetsforlaget. Oslo. p. 201-218 |
| Paster TP, Schauwecker DS & Haskin LA | 1974 | The behavior of some trace elements during solidification of the Skaergaard layered series | Geochimica et Cosmochimica Acta 38, p. 1549-1577 |