International union of public transport, IUPT. International congress. 24.congr., Edinburgh 1951. [Proceedings]. [Vol.] 3. 1951, (Ikke digitaliseret)
The resistance of piles to penetration with tables of approximate values based on the Hiley formula. 1951, Allin, R.V., (Ikke digitaliseret)
O.EoE.Co (ïïdgo) Situation of electricity industry and production of heavy equipment for power stations in the OEEC countries, [2,survey of the Machinery Committee] 1951, (Ikke digitaliseret)
Anglo-American council on productivity. The hop industry. Report of a visit to the U.S.A. and Canada in 1950 1951, (Ikke digitaliseret)
Smeltlassen. Beknopte handleiding voor het autogeen- en electrisch lassen. 6,druk. Koog a.d. 1951, Martens, C.A., (Ikke digitaliseret)
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Geschichte der Ammoniaksynthese. Wein-heim (Bergstrasse),Verlag Chemie,1951. 1951, (Ikke digitaliseret)
Improved adhesives for all purposes. Compiled by J.J.Berliner & Staff. New York L1951]. 1951, (Ikke digitaliseret)
South African Council for scientific and industrial research. National Institute for personnel research. 1951, (Ikke digitaliseret)