@misc{OPUS4-5648, title = {Amtliches Mitteilungsblatt der BTU Cottbus-Senftenberg, 2021,21 (30.09.2021)}, institution = {Pr{\"a}sident*in}, series = {Amtliches Mitteilungsblatt der BTU Cottbus-Senftenberg}, number = {2021, H. 21}, type = {periodicalpart}, year = {2021}, }