@article{ZuehlkeStolleHaack2014, author = {Lukas Z{\"u}hlke and Michael Stolle and Bertil Haack}, title = {Hybrider Handel als Antwort auf Smart Shopping}, journal = {Wissenschaftliche Beitr{\"a}ge 2014}, volume = {18}, pages = {87 -- 93}, year = {2014}, }