@article{SLC_1987_18_a12,
     author = {Winfried Kurth},
     title = {Some {Combinatorial} {Properties} of {Complete} {Semi-Thue} {Systems}},
     journal = {S\'eminaire lotharingien de combinatoire},
     year = {1987},
     volume = {18},
     url = {http://geodesic.mathdoc.fr/item/SLC_1987_18_a12/}
}