@book{Steidl+2025,
url = {https://doi.org/10.3790/9783428437047},
title = {Experimentelle Marktforschung},
title = {},
author = {Peter E. Steidl},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428437047},
isbn = {9783428437047},
year = {1977},
lastchecked = {2025}
}