1. Information Commissioner’s Office UK: Conducting privacy impact assessments code of practice. 50 (2014)
2. European Commission: Proposal for protection of individuals with regard to the processing of personal data and on the free movement of such data. 0011 (2012)
3. GS1: GS1 EPC/RFID Privacy Impact Assessment Tool (2012)
4. Oetzel, M.C., Spiekermann, S.: A systematic methodology for privacy impact assessments: a design science approach. Eur. J. Inf. Syst. 23, 126–150 (2013)
5. University of Pennsylvania: Introduction to the SPIA Program.
http://www.upenn.edu/computing/security/spia/spia_step_by_step.pdf