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Vorträge / VGB-Konferenz Kohlevergasung in der Energietechnik : [März 1979 in Dortmund]
(1979)
25 Jahre Ruhrgas Aktiengesellschaft Essen : 1926 - 1951
(1951)
Study on the technical and economical aspects of measures to reduce (on the basis of the best available technologies) the pollution (of water and other environmental areas) from the industrial emissions of cokeries : final report
(1996)
From natural gas to liquid hydrocarbons
Hedden, Kurt, (1988)