\input zb-basic
\input zb-ioport
\iteman{io-port 50186102}
\itemau{Homberger, J\"org}
\itemti{Decentralized multi-level uncapacitated lot-sizing by automated negotiation}
\itemso{4OR 8, No. 2, 155-180 (2010).}
\itemcc{}
\itemut{}
\itemli{doi:10.1007/s10288-009-0104-1}
\end