author = { Hahn, Udo Hempel, Johannes },

title = { Johannes Hempel (23. Januar 1929 bis 23. April 2020) },

publisher = {},

isbn = {0075-6210},

keywords = { Hempel, Johannes 1929-2020 , Nachruf },

year = {[2023]},

address = { },

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