Metallurgical Studies of Steels for Sour Service Environments J. C. Charbonnier and M. L. Bullen and M. J. Humphries and R. D. Merrick and A. Streisselberger and V. Schwinn and L. Coudreuse and C. Zmudzinski and P. Bocquet and A. Cheviet and H. Margot-Marette and B. Chamont and E. Amoris and C. Perdix and F. Terreur and G. Monfort and J. Defourny and G. Anteri and G. Merlone and J. Overjero Garcia and J. Charles and L. Cadiou and Estela R. de Schiapparelli and Sixto Prado and E. Bollinger and C. Duret-Thual and P. Manolatos and W. B. Morrison and K. Abernathy