Conditional Relational Reasoning. - Marco Ragni; Tobias Sonntag (CogSci, 2011)

Preferences and illusions in quantified spatial relational reasoning. - Marco Ragni; Tobias Sonntag (Cogn. Process., 2012)

Reasoning about Spatial Consistency. - Marco Ragni; Tobias Sonntag; Phil Johnson-Laird (EAPCogSci, 2015)