@book{Sabel+2020,
url = {https://doi.org/10.3790/9783428412730},
title = {Die Grundlagen der Wirtschaftlichkeitsrechnung},
title = {},
author = {Hermann Sabel},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428412730},
isbn = {9783428412730},
year = {1965},
lastchecked = {2020}
}