1. Replacing Overhead Lines with Underground Cables in Finland
https://climate-adapt.eea.europa.eu/metadata/case-studies/replacing-overhead-lines-with-underground-cables-in-finland
2. Underground Power Cable Considerations: Alternatives to Overhead;Bascom;Proceedings of the 47th Minnesota Power Systems Conference (MIPSYCON),2011
3. Comparison of Overhead and Underground Power Lines
http://www.uirailroadtlineupgrades.com/assets/document-library/2021-3636%20UndergroundOverhead_Brochure%20_web.pdf
4. Comparison of Overhead and Underground Cables
https://tratosgroup.com/tratos-cable-academy/comparison-of-overhead-and-underground-cables/
5. California’s Biggest Utility Plans to Bury 10,000 Miles of Power Lines. How Much Will that Cost Residents?
https://www.canarymedia.com/articles/utilities/californias-biggest-utility-plans-to-bury-10000-miles-of-power-lines