@book{ Solr-115354, title = {Characterizations of overlaps in free partially commutative monoids.}, series = {Interner Bericht / Universität Kaiserslautern Fachbereich Informatik ;}, author = {Otto, F.}, editor = {Wrathall, C.}, editor = {Otto, F.}, address = {Kaiserslautern}, publisher = {Universität Kaiserslautern}, year = {1989}, note = {englisch}, }