S. Psarakis (2012). “A Review of Statistical Process Control and Engineering Process Control”. Quality Control Development Methods and Applications (J. Orosa ed.), Nova Science, USA, ISBN: 978-1-62257-177-2
E. Xekalaki, J. Panaretos, S. Psarakis (2003). “A Predictive Model Evaluation and Selection Approach - The Correlated Gamma Ratio Distribution”. Stochastic Musings, (J. Panaretos, ed.), Laurence Erlbaum, USA, pp.188-203