@misc{OPUS4-16202, title = {Statistischer Bericht J I 3 - vj 2020}, booktitle = {J I Dienstleistungen}, volume = {2020}, number = {1-4}, institution = {Land Brandenburg}, series = {Statistischer Bericht J I 3 - vj}, number = {2020}, type = {periodicalpart}, year = {2020}, }