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2. Measurement Uncertainty Methods and Application;Dieck,1992
3. EPRI, 1990. Application Guide for Motor Operated Valves in Nuclear Power Plants. EPRI-NP-6660D, pp. 1–11.
4. Selection of greases for motor-operated valve stem/stem nut lubrication;Guerout,2000
5. Gate valve performance prediction;Harrison,1994