@book{Gündling+2023,
url = {https://doi.org/10.3790/9783896739735},
title = {Direktmarketing B 2 B},
title = {},
author = {Christian Gündling},
publisher = {Verlag Wissenschaft & Praxis},
address = {},
doi = {doi:10.3790/9783896739735},
isbn = {9783896739735},
year = {2002},
lastchecked = {2023}
}