@article{Zeileis2008,
author = {Zeileis, A. and Hothorn, T. and Hornik, K. },
title= {Model-based recursive partitioning},
year = {2008},
doi = {10.1198/106186008X319331},
journal = {Journal of Computational and Graphical Statistics },
volume = {17},
number = {2},
pages = {492--514},
}