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References
- ↑ "Om Polhemspriset". Polhemspriset. Retrieved October 1, 2020.
- ↑ "Om Christopher Polhem". Polhemspriset. Retrieved October 1, 2020.
- ↑ "Laila dials a winner". Ericsson History. Telefonaktiebolaget LM Ericsson and Centre for Business History.
