1. Ditlevsen O. A story about distribution of dimensions and locations of boulders Probabilistic Engineering Mechanics, in press.
2. Ditlevsen O. Statistical analysis of boulder data from eight beach localities: Ballen, Digerbanke, Frankeklint, Højklint, Kruseminde, Omø, Sprogø, and Reersø. OD-notes: SBF3 Dec. 87, SBF4 Fehr. 88, SBF5 Dec. 87, SBF7 Fehr. 88, A/S Storebæltsforbindelsen, Vester Søgade 10, Copenhagen V 1987.
3. Ditlevsen, O. Statistical inference from DGI's seismic reflection data on boulders in area A. OD-notes: SBF8 April 88, SBF9 July 88, A/S Storebæltsforbindelsen, Vester Søgade 10, Copenhagen V 1988.
4. Probability of boulders;Ditlevsen,1997
5. East tunnel,1997