Dietrich, Axel ; Dammel, Frank ; Stephan, Peter https://tuprints.ulb.tu-darmstadt.de/17805/7/Energy%20Science%20%20%20Engineering%20-%202020%20-%20Dietrich%20-%20Exergoeconomic%20analysis%20of%20a%20pumped%20heat%20electricity%20storage%20system%20based.pdf.
,
2024