@book{Stettner+2019,
url = {https://doi.org/10.3790/9783428454044},
title = {Grundfragen einer Kompetenzlehre},
title = {},
author = {Rupert Stettner},
publisher = {Duncker & Humblot},
address = {},
doi = {doi:10.3790/9783428454044},
isbn = {9783428454044},
year = {1983},
lastchecked = {2019}
}