Repeated Confidence Intervals in Self-Organizing Studies. - Joachim Hartung; Guido Knapp (Data Analysis and Decision Support, 2005)

Generalised interval estimation in the random effects meta regression model. - Thomas Friedrich 004; Guido Knapp (Comput. Stat. Data Anal., 2013)

On Estimating Residual Heterogeneity in Random-Effects Meta-Regression: A Comparative Study. - Thammarat Panityakul; Chinnaphong Bumrungsup; Guido Knapp (J. Stat. Theory Appl., 2013)