1. Nielsen, H.; Nielsen, K. H. Camp Century; Aktuel Naturvidenskab, 2017; pp 38–41.
2. Ølgaard, P. L. Report No. 3 on: Surroundings of PM-2A Reactor in Camp Century, Thule, Greenland; Risø: Roskilde, Denmark, 1962.
3. Ølgaard, P. L. Report No. 1 on: Surroundings of PM-2A Reactor in Camp Century, Thule, Greenland; Risø: Roskilde, Denmark, 1961.
4. Ølgaard, P. L. Report No. 2 on: Surroundings of PM-2A Reactor in Camp Century, Thule, Greenland; Risø: Roskilde, Denmark, 1962.
5. Ølgaard, P. L. Report No. 4 on: Surroundings of PM-2A Reactor in Camp Century, Thule, Greenland; Risø: Roskilde, Denmark, 1964.