1. USSR State Standard GOST 20420-75: Resistance Strain Gauges. Terms and Definitions.
2. USSR State Standard GOST 21615-76: Resistance Strain Gauges. Methods for Determination of Characteristics.
3. USSR State Standard GOST 21616-76: Resistance Strain Gauges. General Specifications.
4. USSR State Standard GOST 8.009-84: GSI. Normalized Metrological Characteristics of Measurement Instruments.
5. S. R. Sivers and I. Ya. Podstrigach, in: Proceedings of the Tenth National Conference on Methods and Tools of Tensometry and Their Uses in the National Economy [in Russian], Sverdlovsk (1989), p. 47.