\input zb-basic
\input zb-ioport
\iteman{io-port 70984795}
\itemau{Edelkamp, Stefan; Kissmann, Peter}
\itemti{On the complexity of bdds for state space search: A case study in connect four}
\itemso{AAAI (2011).}
\itemcc{}
\itemut{}
\itemli{http://www.aaai.org/ocs/index.php/AAAI/AAAI11/paper/view/3690}
\end