@book{Nieschlag+Dichtl+Hörschgen+2011,
url = {https://doi.org/10.3790/9783428509300},
title = {Marketing},
title = {},
author = {Robert NieschlagErwin DichtlHans Hörschgen},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428509300},
isbn = {9783428509300},
year = {2002},
lastchecked = {2011}
}