author = { Schmidt, Erika AND Webersinke, Sabine },

title = { Professor Dr. Siegfried Sommer zum 85. Geburtstag },

publisher = {},

isbn = {0943-2132},

keywords = { Biografie , Laudatio , Sommer, Siegfried , Landschaftsarchitekt },

year = {2018},

address = { },

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