1. Stiction: The hidden menacehttp://www.expertune.com/articles/RuelNov2000/stiction.htm
2. Benchmarking Control Loops with Oscillation and Stiction;Horch,2006
3. Diagnosis of Process Nonlinearities and Valve Stiction: Data Driven Approaches;Choudhury,2008
4. Comparative Study of Valve Stiction Detection Methods;Jelali,2010