1. CTT Group, 3000 Ave. Boullé, St-Hyacinthe, QC, Canada J2S 1H9.
2. Cégep de St-Hyacinthe, 3000 Ave. Boullé, St-Hyacinthe, QC, Canada J2S 1H9.
3. Dept. of Mechanical Engineering, Ecole de technologie supérieure, 1100 rue Notre-Dame Ouest, Montréal, QC, Canada H3C 1K3.