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Journal Article TECHNOLOGICAL MOMENTUM IN HISTORY: HYDROGENATION IN GERMANY 1898–1933 Get access Thomas Parke Hughes Thomas Parke Hughes The Johns Hopkins University Search for other works by this author on: Oxford Academic Google Scholar Past & Present, Volume 44, Issue 1, August 1969, Pages 106–132, https://doi.org/10.1093/past/44.1.106 Published: 01 August 1969
Thomas P. Hughes (Wed,) studied this question.