Under CopyrightSchade, W.W.SchadeMaibach, M.M.MaibachPeter, M.M.PeterSutter, D.D.Sutter2022-03-078.1.20102006https://publica.fraunhofer.de/handle/publica/29329610.24406/publica-fhg-293296en303600Analysis of operating cost in the EU and the USreport