Xekalaki, Evdokia and Panaretos, John and Psarakis, Stelios (2003): A Predictive Model Evaluation and Selection Approach - The Correlated Gamma Ratio Distribution. Published in: STOCHASTIC MUSINGS: PERSPECTIVES FROM THE PIONEERS OF THE LATE 20TH CENTURY, J. Panaretos, ed., Laurence Erlbaum, Publisher, USA (2003): pp. 188-202.