1. ÅBERG, B., 1968. Modellförsök med olja i oinklädda bergrum (Model tests on oil storage in unlined rock chambers). Teknisk Tidskrift, H. 13 (In Swedish).
2. ÅBERG, B., 1969 a. Model tests on oil storage in unlined rock chambers. Proc. XIIIth Congress of the International Association for Hydraulic Research, Kyoto.
3. ÅBERG, B., 1969 b. Produktöverströmning mellan oinklädda bergrum för oljelagring (Product leakage between unlined caverns for storage of oil.) Internal report. In Swedish.
4. ÅBERG, B., 1969 c. Teoretisk utredning angående metod att förhindra oljeläckage i en spricka mellan två bergrum. (Theoretical investigation on method to prevent leakage of oil through a fracture between two caverns in rock.) Internal report. In Swedish.
5. Underground storage of liquid fuels;BÄCKSTRÖM;The Dock and Harbour Authority,1968