1. D. Hess, Vibration and Shock Induced Loosening Chapter 40 in Handbook of Bolts and Bolted Joints (Marcel Dekker, New York, 1998), pp. 757–824
2. D. Hess, Threaded fastener secondary locking requirements. J. Fail. Anal. Prev. 17, 724–730 (2017)
3. NASA-STD-5020, Requirements for Threaded Fastening Systems in Spaceflight Hardware (NASA Technical Standard, 2012)
4. MS20995E, Wire, Safety or Lock (Military Standard, 1974)
5. NASM20995, Wire, Safety or Lock, (National Aerospace Standard, 1998)