TY - JOUR TI - digital factory journal 01/2020 JF - digital factory journal SN - 2510-2931 PY - 2020 IS - 1 DO - 2020_DFJ_01 UR - https://content-select.com/index.php?id=bib_view&doi=2020_DFJ_01 PB - VDE Verlag CY - Berlin RI - ER -