Mazur, Z., C. Marino, and J. Kubiak. “Metallurgy of Gas Turbine Blades With Integral Shroud and Its Influence on Blades Performance”. Revista De Metalurgia, vol. 35, no. 1, Feb. 1999, pp. 39-46, doi:10.3989/revmetalm.1999.v35.i1.604.