Treatment of missing data values in a neural network based decision support system for acute abdominal pain. - Erkki Pesonen; Matti Eskelinen; Martti Juhola (Artif. Intell. Medicine, 1998)

Recognition of Semantic Elements from Pictorial Symbols: Towards A Visual Dictionary. - Ville Tirronen; Matti Eskelinen; Anneli Heimbürger (EJC, 2012)