@article{2021:gundlach:vorwort_i,
title = {Vorwort: Internet-Intermediäre und virtuelle Plattformen medienökonomisch betrachtet},
year = {2021},
note = {},
journal = {MedienWirtschaft},
pages = {6--7},
author = {Gundlach, Hardy},
volume = {18},
number = {4}
}