author = { Radtke, Edgar AND Lüdtke, Jens AND Petersmann, Hubert },

title = { VarioLingua Nonstandard - Standard - Substandard },

publisher = {Peter Lang},

publisher = {: Lang-Ed.},

publisher = {: Lang},

isbn = {1430-6778},

keywords = { Monografische Reihe },

year = {1996-},

year = {, 2013-2017},

year = {, 1996-2012},

address = { Berlin , ; Frankfurt, M. , ; Frankfurt, M. },

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