Some topological consequences of the Product Measure Extension Axiom Heikki Junnila — 1983 Fundamenta Mathematicae
Around Katětov's metrization theorem Heikki J. K. Junnila — 1988 Commentationes Mathematicae Universitatis Carolinae
Characterizations of absolute F σ δ -sets Heikki J. K. Junnila; Hans-Peter A. Künzi — 1998 Czechoslovak Mathematical Journal
A Dowker group Klaas Pieter Hart; Heikki J. K. Junnila; Jan van Mill — 1985 Commentationes Mathematicae Universitatis Carolinae