@ARTICLE{JacobsS08,
AUTHOR = "B. Jacobs and A. Sokolova",
TITLE = "Exemplaric Expressivity of Modal Logics",
JOURNAL = "Journal of Logic and Computation",
YEAR = "2009",
NOTE = {DOI link \verb+http://logcom.oxfordjournals.org/cgi/content/abstract/exn093v1+}
}