1. Concrete on the West Coast of Jutland / by C.M. Idorn. Idorn, G. M. [Browse] Copenhagen : Committee on Alkali Reactions in Concrete, 1958. Book ReCAP - Remote Storage » VEO (Udvalget vedrorende Alkalireactioner i beton. Progress report. Serie B, no. 1-2)
2. Durability and maintenance of concrete structures on Danish railways / by Arne Jeppesen. Jeppesen, Arne [Browse] Copenhagen : Danish National Institute of Building Research, 1958. Book ReCAP - Remote Storage » VEO (Udvalget vedrorende Alkalireactioner i beton. Progress report. Serie B, no. 1-2)
