@book {TN_libero_mab2,

author = { Celnik, Werner E. Kosmos Verlag },

title = { Kosmos Mars-Guide der Praxisratgeber zum roten Planeten },

publisher = {Kosmos},

publisher = {},

isbn = {9783440159132},

isbn = {3440159132},

keywords = { Astrofotografie , Amateurastronomie , Mars , Mars Planet },

year = {[2018]},

address = { Stuttgart , },

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

}