Fabricius, I. L. ., Dahlerup Fazladic, L. ., Steinholm, A. . and Korsbech, U. . (2003) “The use of spectral natural gamma-ray analysis in reservoir evaluation of siliciclastic sediments: a case study from the Middle Jurassic of the Harald Field, Danish Central Graben”, GEUS Bulletin. Copenhagen, Denmark, 1, pp. 349–366. doi: 10.34194/geusb.v1.4677.