author = { Wrana, Joachim Hirth, Martin },

title = { Grundlagen der Elektrotechnik 3 / bearb. von Martin Hirth },

publisher = {Verlag Technik},

keywords = { Studienbrief },

year = {1954},

address = { Berlin },

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