@article{ZoellerMorganSchroeder2022, author = {Nikolas Z{\"o}ller and Jonathan Howard Morgan and Tobias Schr{\"o}der}, title = {A topology of groups}, journal = {Technological Forecasting and Social Change}, series = {What GitHub can tell us about online collaboration}, volume = {161}, doi = {10.1016/j.techfore.2020.120291}, year = {2022}, }