\input zb-basic
\input zb-ioport
\iteman{io-port 70351484}
\itemau{Neumann, Dirk}
\itemti{Engineering grid markets}
\itemso{Negotiation and Market Engineering (2006).}
\itemcc{}
\itemut{}
\itemli{http://drops.dagstuhl.de/opus/volltexte/2007/1004}
\end