Image Processing in Combustion Control. - Juhani Hirvonen; Reijo Lilja; Kari Ikonen; Jarmo Nihtinen (Int. J. Pattern Recognit. Artif. Intell., 1996)

Modeling of thermodynamic properties of substances by neural networks. - Reijo Lilja; Jari J. Hämäläinen (IJCNN, 1999)