Madey G, van Antwerp M. Open Source Software Developer and Project Networks. Ågerfalk Pär, Boldyreff C, González-Barahona JM, Madey GR, Noll J. IFIP Advances in Information and Communication TechnologyOpen Source Software: New Horizons. Berlin, Heidelberg: Springer Berlin Heidelberg; 2010. pp. 407 - 412.
van Antwerp M, Madey G. Warehousing and Studying Open Source Versioning Metadata. Ågerfalk Pär, Boldyreff C, González-Barahona JM, Madey GR, Noll J. IFIP Advances in Information and Communication Technology Open Source Software: New Horizons (OSS 2010). Berlin, Heidelberg: Springer Berlin Heidelberg; 2010. pp. 413 - 418.