1. Performance Tests of Wire Strain Gauges, III Calibration at High Tensile Strains;Campbell;NACA Tech. Note 997,1945
2. Combined-Stress Tests on 24S-T Aluminium-Alloy Tubes;Osgood;J. Appl. Mech.,1947
3. The Physical Characteristics of Wire Resistance Strain Gauges;Jones,1948
4. Electric Resistance Changes of Fine Wires During Elastic and Plastic Strains;Kammer,1949
5. Preliminary Experiments for Testing Basic Assumptions of Plasticity Theories;Peters,1950