@incollection{SeifertZerres2018, author = {Dirk Seifert and Christopher Zerres}, title = {Efficient Consumer Response und CPRF}, series = {Handbuch Marketing-Methodik}, volume = {2}, editor = {Christopher Zerres}, edition = {2.}, publisher = {Bookboon}, address = {London}, isbn = {978-87-403-2274-3}, pages = {63 -- 73}, year = {2018}, language = {de} }