International Journal of Theoretical Linguistics, 1 (2): 99–110, doi:10.1515/glot-2009-0009. van Leijenhorst, D. C; van der Weide, Th.
International Journal of Theoretical Linguistics Т. 1 (2): 99—110, DOI 10.1515/glot-2009-0009 . van Leijenhorst, D. C & van der Weide, Th.