@Book{BSNLP:2013,
  editor    = {Jakub Piskorski, Polish Academy of Sciences  and  Lidia Pivovarova, University of Helsinki, and St.Petersburg State University, Russia  and  Hristo Tanev, Joint Research Centre of the European Commission, Ispra, Italy  and  Roman Yangarber, University of Helsinki, Finland},
  title     = {Proceedings of the 4th Biennial International Workshop on Balto-Slavic Natural Language Processing},
  month     = {August},
  year      = {2013},
  address   = {Sofia, Bulgaria},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/W13-24}
}