1. Mathar J (1934) Determination of initial stresses by measuring the deformation around drilled holes. Trans ASME 56: 4, 249–254
2. Beaney E M (1976) Accurate measurement of residual stress in any steel using the Centre hole method. Strain 12: 3, 99–106
3. American Society for Testing and Materials (2008) Determining residual stresses by the hole-drilling strain-gage method. ASTM Standard test method:E837–E808
4. American Society for Testing and Materials (2013) Determining residual stresses by the hole-drilling strain-gage method. ASTM Standard test method E837-13a
5. Vishay Measurements Group Inc. (1996) Measurement of residual stresses by the hole drilling strain-gage method.
http://www.vishaypg.com/docs/11053/tn503.pdf