author = { Geissmann, Thomas AND Jaag, Christian AND Maegli, Martin AND Trinkner, Urs Walter Oktavian },

title = { Mail composition and recipients' reaction to direct mail },

publisher = {Swiss Economics SE AG},

keywords = { Graue Literatur },

year = {2017},

booktitle = {Swiss Economics working paper ; 0058 (March 2017)},

address = { Zürich },

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