A. K. Higgins and A. G. Leslie, “The Eleonore Sø and Målebjerg foreland windows, East Greenland Caledonides, and the demise of the ‘stockwerke’ concept”, GEUS Bulletin, vol. 6, pp. 77–93, Dec. 2004, doi: 10.34194/geusb.v6.4820.