Christiansen, F. and Stemmerik, L. 1989. Shallow core drilling of Upper Permian and Upper Triassic – Lower Jurassic potential reservoir rocks in central East Greenland. Rapport Grønlands Geologiske Undersøgelse. 145, (Dec. 1989), 79–84. DOI:https://doi.org/10.34194/rapggu.v145.8081.