"Schmierung." . . "Lubrication." . . "Polymers." . . "Lubrification." . . "Attrito." . . . . "Polymere." . . "Lubrificanti." . . "Lubrifiants." . . "Polymères Surfaces." . . "Polimeri - Superficie." . . "Lubrificazione." . . "Surface Properties." . . "Frottement." . . "Oberfläche." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Lubricating polymer surfaces" . .