Lins-Mandel graphs representing 3-manifolds. - Michele Mulazzani (Discret. Math., 1995)

Stiff Genus of Groups. - Michele Mulazzani (Ars Comb., 1998)

2-Symmetric Transformations for 3-Manifolds of Genus 2. - Luigi Grasselli; Michele Mulazzani; Roman Nedela (J. Comb. Theory B, 2000)