Hugo Larsson Investigation of the accuracy obtained with the Decca System for Survey in the Southern Baltic PDF (English)
S. Hilding Computation of Lattice Charts for the Decca Navigator System in the Gauss Conformal Projection PDF (English)
J. Th. Verstelle Investigation on accuracy of the Decca Navigator System: August 1949 Report on trials in the Netherlands PDF (English)
V. H. Koo Organization and Activities of the Hydrographic Department of the Chinese Navy PDF (English)
