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- .... Welge, "A simplified method for computing oil recovery by gas or water drive" ''Trans. AIME'' , '''195''' (1952) pp. 97–108</TD></TR></table>4 KB (526 words) - 06:29, 30 May 2020
- As he later wrote: "nothing could drive out of people's heads that it was14 KB (2,270 words) - 18:15, 13 August 2023