Russell and His Sources for Non-Classical Logics Irving H. Anellis OriginalPaper 05 August 2009 Pages: 153 - 218
Minimally Generated Abstract Logics Steffen LewitzkaAndreas B. M. Brunner OriginalPaper 11 August 2009 Pages: 219 - 241
On the 3D Visualisation of Logical Relations Hans Smessaert OriginalPaper 25 July 2009 Pages: 303 - 332