Reeh, N., A. Letréguilly, and H. Oerter. “Continued Stable Isotope Studies on the Greenland Ice-Sheet Margin at Pâkitsoq, North-East of Jakobshavn, Central West Greenland”. Rapport Grønlands Geologiske Undersøgelse, vol. 145, Dec. 1989, pp. 54-56, doi:10.34194/rapggu.v145.8074.