//-->
A cost comparison of serving rural and urban areas in the United States postal service
Cohen, Robert H., (1993)
Funding universal services : cross subsidization and net cost balancing
Haller, Andreas, (2019)
Entwicklung eines kostenrechnungsgestützten Informationssystems für die Preispolitik der Deutschen Post AG
Bildhäuser, Dirk, (1999)
Data Requirements for Cost Accounting in the Mail Communication System
Pintsov, Leon A., (2008)
Postal product innovation using EPPML
Pintsov, Leon A., (2010)
Postal Reform and Product Innovation