1. Standard test method for microindentation hardness of materials;Am. Soc. Test. Mater,2017
2. Standard test methods for Vickers hardness and Knoop hardness of metallic materials;Am. Soc. Test. Mater,2017
3. Improvement of surface properties of low carbon steel by nitriding treatment;Benlahreche;Acta Phys. Pol.,2017
4. Steels;Bhadeshia,2006
5. Global warming and technical change: multiple steady-states and policy options;Bondarev;China Econ. Rev.,2020