The inhibition of hydrogen embrittlement in SAE 4340 steel in an aqueous environment with the rare earth compound lanthanum 4 hydroxy cinnamate BRW Hinton, M Behrouzvaziri, M Forsyth, RK Gupta, M Seter, PG Bushell Metallurgical and Materials Transactions A 43, 2251-2259, 2012 | 17 | 2012 |