@book{Hansen+1970,
url = {https://doi.org/10.1515/9783111667980},
title = {Elektronische Datenverarbeitung in Handelsbetrieben},
author = {Hans Robert Hansen},
publisher = {De Gruyter},
address = {Berlin, Boston},
doi = {doi:10.1515/9783111667980},
isbn = {9783111667980},
year = {1970},
lastchecked = {2026-05-01}
}