@book{Böcker+Gierl+2020,
url = {https://doi.org/10.3790/9783428460632},
title = {Die Beurteilung einer Zeitschrift als Werbeträger},
title = {},
author = {Franz BöckerHeribert Gierl},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428460632},
isbn = {9783428460632},
year = {1986},
lastchecked = {2020}
}