author = { Tresch, Markus AND Scholl, Marc H. },

title = { A classification of multi-database languages },

publisher = {Univ., Fak. für Informatik},

keywords = { Föderiertes Datenbanksystem , Datenbanksprache },

year = {1994},

booktitle = {Ulmer Informatik-Berichte ; 94,07},

address = { Ulm },

url = { http://slubdd.de/katalog?TN_libero_mab2 }