author = { Kummer, Reinhard },

title = { Karte, Kompass, GPS },

edition = { 10., aktualisierte Aufl. } ,

publisher = {Stein},

isbn = {3866863748},

isbn = {9783866863743},

keywords = { Gelände , Orientierung , Kartenlesen , Kompass , GPS },

year = {[2011]},

abstract = {Literaturangaben},

booktitle = {Outdoorhandbuch ; 4 ; Basiswissen für draußen},

booktitle = {Outdoor-Basixx},

address = { Welver },

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