Developing Quality through Measuring Usability-The UTUM Test Package. - Jeff Winter; Kari Rönkkö; Mårten Ahlberg; Mark Hinely; Mats Hellman (WoSQ@ICSE, 2007)

Meeting Organisational Needs and Quality Assurance through Balancing Agile and Formal Usability Testing Results. - Jeff Winter; Kari Rönkkö; Mårten Ahlberg; Jo Hotchkiss (CEE-SET, 2008)