@inbook{23171, author = {Li Ma and Lyle Levine and Ronald Dixson and Douglas Smith and David Bahr}, title = {Effect of the Spherical Indenter Tip Assumption on the Initial Plastic Yield Stress}, year = {2012}, month = {2012-10-17}, publisher = {Nanoindentation, InTech - open science | open minds, Rijeka, -1}, doi = {https://doi.org/10.5772/48106}, language = {en}, }