<http://schema.org/description>
"In the public sector and regulated markets, there is a growing requirement that charging systems applied to the use of infrastructure facilities be designed in a non-discriminatory, transparent and/or cost-oriented way..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.pwc.de/en/branchenregulierung/preis-und-entgeltregulierung.html?linktransform=no>