@book{Welp+2021,
url = {https://doi.org/10.3790/9783428502554},
title = {Überwachung und Kontrolle},
title = {Telekommunikationsdaten als Gegenstand strafprozessualer Ermittlungen},
author = {Jürgen Welp},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428502554},
isbn = {9783428502554},
year = {2000},
lastchecked = {2021}
}