Evolutionary Success of Open Source Software: an Investigation into Exogenous Drivers. - Karl Beecher; Cornelia Boldyreff; Andrea Capiluppi; Stephen Rank (Electron. Commun. Eur. Assoc. Softw. Sci. Technol., 2007)

Quality Factors and Coding Standards - a Comparison Between Open Source Forges. - Andrea Capiluppi; Cornelia Boldyreff; Karl Beecher; Paul J. Adams (SQM@CSMR, 2008)

Structural Complexity and Decay in FLOSS Systems: An Inter-repository Study. - Andrea Capiluppi; Karl Beecher (CSMR, 2009)

Identifying exogenous drivers and evolutionary stages in FLOSS projects. - Karl Beecher; Andrea Capiluppi; Cornelia Boldyreff (J. Syst. Softw., 2009)

Saros: an eclipse plug-in for distributed party programming. - Stephan Salinger; Christopher Oezbek; Karl Beecher; Julia Schenk (CHASE, 2010)

Four generic issues for tools-as-plugins illustrated by the distributed editor Saros. - Lutz Prechelt; Karl Beecher (TOPI@ICSE, 2011)