@book {TN_libero_mab2,

author = { Mayer, Joachim Kosmos Verlag Söhl, Christa },

title = { Welcher Baum ist das? },

publisher = {Kosmos},

publisher = {},

isbn = {3440149870},

isbn = {9783440149874},

keywords = { Bestimmungsbuch , Mitteleuropa , Gehölze },

year = {[2016]},

booktitle = {Kosmos-Naturführer. Das Pocket-Format},

address = { Stuttgart , },

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

}