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Single-phase electrification at 50 c/s of the Jadotville-Tenke line of the Compagnie du chemin de fer du Bas-Congo au Katanga. Publ.par les A.C.E.C. [Charleroi 1953. J 1953, (Ikke digitaliseret)
Helicopter operation and design requirements. A condensed record of the Symposium on the operation ... of helicopters, held during the Sixth annual technical conference of IATA at Puerto Rico in April 1953. 1953, (Ikke digitaliseret)
Liège. Université de Liège. Centre d'études de recherches et d'essais scientifiques du génie civil. Bulletin. Liège 1953-60. Tome 6-11. 1953, (Ikke digitaliseret)
ICA-congress. Electro acoustics. Proceedings of the first congress held in the Netherlands from 16th to 24th June 1953. Ed.by C.W.Kosten and M.L.Kastel-eyn. Netherlands [trykt Delft] 1953. 1953, (Ikke digitaliseret)
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