Evaluation Framework for Open Source Software. - Timo Koponen; Virpi Hotti (Software Engineering Research and Practice, 2004)

Defects in Open Source Software Maintenance - Two Case Studies: Apache and Mozilla. - Virpi Hotti; Timo Koponen (Software Engineering Research and Practice, 2005)

Open source software maintenance process framework. - Timo Koponen; Virpi Hotti (ACM SIGSOFT Softw. Eng. Notes, 2005)

Evaluation Framework for Open Source Software Maintenance. - Timo Koponen (ICSEA, 2006)

RaSOSS - Remote Analysis System for Open Source Software. - Timo Koponen (ICSEA, 2006)

Exploring the Maintenance Process through the Defect Management in the Open Source Projects - Four Case Studies. - Heli Lintula; Timo Koponen; Virpi Hotti (ICSEA, 2006)

Life cycle of Defects in Open Source Software Projects. - Timo Koponen (OSS, 2006)

Are the Changes Induced by the Defect Reports in the Open Source Software Maintenance? - Timo Koponen; Heli Lintula (Software Engineering Research and Practice, 2006)

Estimation of arterial baroreflex sensitivity in relation to carotid artery stiffness. - Jukka Antero Lipponen; Mika P. Tarvainen; Tomi Laitinen; Pasi A. Karjalainen; Joonas Vanninen; Timo Koponen; Tiina Lyyra-Laitinen (EMBC, 2012)