1. Abracon, ABMM Ceramic Surface Mount Processor Crystal, Santa Margarita, California, 2012.
2. Bluetooth Special Interest Group, Specification of the Bluetooth System, Covered Core Package Version 4.0, Master Table of Contents and Compliance Requirements, Specification Volume 0, Kirkland, Washington, 2010.
3. Bluetooth Special Interest Group, Specification of the Bluetooth System, Covered Core Package Version 4.2, Master Table of Contents and Compliance, Specification Volume 0, Kirkland, Washington, 2014.
4. D. Cauquil, BtleJuice: The Bluetooth Smart MITM framework, presented at DEF CON 24, 2016.
5. A. Chang, Your door is about to get clever: 5 smart locks compared, Wired, June 19, 2013.