\input zb-basic
\input zb-ioport
\iteman{io-port 05923471}
\itemau{Vasile, Massimiliano; Bernelli-Zazzera, Franco}
\itemti{Optimizing low-thrust and gravity assist maneuvers to design interplanetary trajectories.}
\itemso{Comput. Res. Repos. 2011, Article No. 1105.1829 (2011).}
\itemcc{}
\itemut{}
\itemli{http://arxiv.org/abs/1105.1829}
\end