1. Andersson, M. (2001). 80211 and bluetooth industrial environment, CTO connectBlue AB, Version 1.0.
2. Andersson, M. (2000). Using bluetooth in an industrial environment, reliability and robustness. connectBlue White Paper, Version 1.1, connectBlue AB, Stora Varvsgatan 11 N:1 SE-211 19 Malmö, Sweden.
3. Andersson, M. (2000). Intelligent Industrial Automation Devices using Bluetooth and Internet Technologies. connectBlue White Paper.
4. Armstrong, J., & Richard Helps, C. (2007). Comparative Evaluation of Zigbee and Bluetooth. American Society for Engineering Education.
5. Baker N. (2005) ZigBee & bluetooth strengths and weaknesses for industrial applications. Computer Control Engineering 16(2): 20–25