@book{Johne+2020,
url = {https://doi.org/10.3790/9783896739827},
title = {Dialoginstrument Mailing},
title = {Grundlagen – Instrumente – Erfolgsfaktoren},
author = {Thomas Johne},
publisher = {Verlag Wissenschaft & Praxis},
address = {},
doi = {doi:10.3790/9783896739827},
isbn = {9783896739827},
year = {2005},
lastchecked = {2020}
}