Cloning the Unclonable: Physically Cloning an FPGA Ring-Oscillator PUF. - Hayden Cook; Jonathan Thompson; Zephram Tripp; Brad L. Hutchings; Jeffrey Goeders (FPT, 2022)

Improving the Reliability of FPGA CRO PUFs. - Hayden Cook; Zephram Tripp; Brad L. Hutchings; Jeffrey Goeders (FPL, 2023)