@inbook {53, title = {Why hackers do what they do: Understanding motivation and effort in free/open source software projects}, booktitle = {Perspectives on Free and Open Source Software}, year = {2005}, publisher = {MIT Press}, organization = {MIT Press}, attachments = {https://flosshub.org/sites/flosshub.org/files/lakhaniwolf.pdf}, author = {Karim R Lakhani and Wolf, R.}, editor = {Feller, J. and Fitzgerald, Brian and Hissam, S. and Karim R Lakhani} }