@inproceedings{DBLP:conf/soda/BergHT11,
  author    = {Mark de Berg and
               Herman J. Haverkort and
               Constantinos P. Tsirogiannis},
  title     = {Implicit Flow Routing on Terrains with Applications to Surface
               Networks and Drainage Structures},
  booktitle = {SODA},
  year      = {2011},
  pages     = {285-296},
  ee        = {http://www.siam.org/proceedings/soda/2011/SODA11_024_debergm.pdf},
  crossref  = {DBLP:conf/soda/2011},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/soda/2011,
  editor    = {Dana Randall},
  title     = {Proceedings of the Twenty-Second Annual ACM-SIAM Symposium
               on Discrete Algorithms, SODA 2011, San Francisco, California,
               USA, January 23-25, 2011},
  booktitle = {SODA},
  publisher = {SIAM},
  year      = {2011},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}