Volume 11, Special Issue Dedicated to Prof. George A. Grätzer, July 2019, Pages 113-130
Dharmanand Baboolal; Jorge Picado; Ales Pultr
Volume 6, Speical Issue on the Occasion of Banaschewski's 90th Birthday (I), January 2017, Pages 51-66
Dharmanand Baboolal; Paranjothi Pillay; Ales Pultr