FDSS from IPC 2011
@article{helmert2011fast,
title={Fast downward stone soup},
author={Helmert, Malte and R{\"o}ger, Gabriele and Seipp, Jendrik and Karpas, Erez and Hoffmann, J{\"o}rg and Keyder, Emil and Nissim, Raz and Richter, Silvia and Westphal, Matthias},
journal={Seventh International Planning Competition},
pages={38--45},
year={2011}
}