## 7 Conclusions
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* [14] [PERSON]; [PERSON]; [PERSON]; [PERSON]; [PERSON] [PERSON] The bistable ring PUF: A new architecture for strong physical unclonable functions. In Proceedings of the 2011 IEEE International Symposium on Hardware-Oriented Security and Trust (HOST), San Diego, CA, USA, 5-6 June 2011; pp. 134-141. * [15] [PERSON]; [PERSON]; [PERSON]; [PERSON] Physically Unclonable Functions Using Foundry SRAM Cells. _IEEE Trans. Circuits Syst. I Regul. Pap._**2019**, _66_, 955-966. [CrossRef]
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* [PERSON] and [PERSON] (2016) [PERSON]; [PERSON] Circuit design of physical unclonable function for security applications in standard CMOS technology. In Proceedings of the 2016 IEEE International Conference on Electron Devices and Solid-State Circuits (EDSSC), Hong Kong, China, 3-5 August 2016; pp. 86-90. * [PERSON] (2013) [PERSON] Reliable, Secure, Efficient Physical Unclonable Functions. Ph.D. Thesis, Carnegie Mellon University, Pittsburgh, PA, USA, 2013. * [PERSON] et al. (2000) [PERSON]; [PERSON]; [PERSON] IC identification circuit using device mismatch.