@InProceedings{HeiS11,
  author =	 {Stefan Heinz and Jens Schulz},
  title =	 {Explanations for the Cumulative Constraint: An
                  Experimental Study},
  booktitle =	 {Experimental Algorithms},
  pages =	 {400--409},
  year =	 {2011},
  editor =	 {Panos M.\ Pardalos and Steffen Rebennack},
  series =	 {Lecture Notes in Computer Science},
  volume =	 {6630},
  publisher =	 {Springer}
}