1. Determining Young's Modulus from the Indenter Penetration Diagram;Bulychev;Zavod. Lab.,1975
2. Performance and Analysis of Recording Microhardness Tests;Frohlich;Phys. Status Solidi (a),1977
3. Work of Plastic Deformation during Indenter Indentation;Shorshorov;Sov. Phys. Dokl.,1982
4. An Ultra-Low-Load Penetration Hardness Tester;Newey;J. Phys. E, Sci. Instrum.
5. Hardness Measurements at Penetration Depths as Small as 20 nm;Pethica;Philos. Mag. A,1983