1. “ASTM F1940 Standard Test Method for Process Control Verification to Prevent Hydrogen Embrittlement in Plated or Coated Fasteners”, in ASTM Book of Standards.
2. “ASTM A 490 Standard Specification for Structural Bolts, Alloy Steel, Heat Treated, 150 Ksi Minimum Tensile Strength”, in ASTM Book of Standards.
3. “ISO 898-1 Mechanical Properties of Fasteners Made of Carbon Steel and Alloy Steel - Part 1: Bolts, Screws and Studs”, in ISO Book of Standards.
4. W. H. Johnson, Hydrogen Damage, 1977, C. D. Beachem, ed., ASM International, Metals Park, OH, pp. 1–2.
5. B. Craig, ASM Metals Handbook, 1987, ASM International, Metals Park, OH, Vol. 13, pp. 163–171.