References
- Kuchling , H . 1982 . A handbook of physics , Moscow : Mir .
- Mudrov , VI and Kushko , VL . 1976 . Methods of processing measurements , Moscow : Sovetskoe radio .
- Bronshtein , NI and Semendyaev , KA . 1986 . A handbook of mathematics , Moscow : Nauka .
- 1980 . Polytechnical dictionary , Moscow : Sovetskaya entsiklopediya .