1. J. Watanabe, T. Ishigro, T. Iwadate and K. Ohnishi, Hydrogen Embrittlement of 2/14Cr-1Mo and 3Cr-1Mo-0.25V-B Pressure Vessel Steels presented at API/MPC Task Group Meeting on Materials for Pressure Vessels, May, 1987.
2. Y. Wada, T. Hasegawa and H. Inoue, ASME PVP 2002.