author = { Weidlein, Johann R. AND Müller, Ulrich AND Dehnicke, Kurt },

title = { Schwingungsfrequenzen 1 Hauptgruppenelemente },

publisher = {Thieme},

isbn = {3135672018},

year = {1981},

address = { Stuttgart },

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