Taking Organizational Implementation Seriously: The Case of IOS Implementation. - Jukka Heikkilä; Hannu Vahtera; Pekka Reijonen (Diffusion and Adoption of Networked Information Technologies, 2003)

Current and Emerging Requirements for Digital Rights Management Systems through Examination of Business Networks. - Eetu Luoma; Hannu Vahtera (HICSS, 2004)