author = { Rißland, Birgit AND Gruntz-Stoll, Johannes Zäschke, Karin },

title = { Das lachende Klassenzimmer Werkstattbuch Humor },

publisher = {Schneider Verl. Hohengehren},

isbn = {9783834004888},

isbn = {383400488X},

keywords = { Unterrichtsklima , Humor },

year = {2009},

booktitle = {Praxis Pädagogik},

address = { Baltmannsweiler },

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