@incollection{DasJue_j1995, author = {J{\"u}rgen~Dassow and Helmut~J{\"u}rgensen}, title = {{The transition monoids of soliton trees}}, booktitle = {{Mathematical Lingiustics and Related Topics}}, publisher = {Editura Academiei Romane, Bucuresti}, year = 1995, editor = {Gheorghe~P\u{a}un}, pages = {76--86} }