Lauri Hella Merlijn Sevenster Tero Tulenheimo Partially Ordered Connectives and Monadic Monotone Strict NP. 323-344 2008 17 Journal of Logic, Language and Information 3 http://dx.doi.org/10.1007/s10849-008-9058-5 db/journals/jolli/jolli17.html#HellaST08