Professor Katharina Hölzle and the digitalization team of IT-Entrepreneurship (_Gemeinam digital - Fabian Gerhardt, Oliver Kullik, Sophie Petzolt) published a book chapter on the digitalization of small and medium-sized companies (German language) in the volume 'Arbeit 4.0 im Mittelstand', edited by Christian Bosse and Klaus Zink (Springer Gabler). The chapter can be accessed following this link.