Chemical plant model generatorAarna, Olav; Kallas, Juha; Uibo, Erik1st IFAC/IFIP Symposium on Software For Computer Control, Tallinn, USSR, 25-28 May1976 / p. 93-97 : ill https://doi.org/10.1016/S1474-6670(17)67405-6

Comparing the modelling power of Petri nets and Q-modelsTekko, JaanusArtificial Intelligence in Real-Time Control 1995 : [proceedings]1996 / 5 p

Dynamic chemical plant model and its applicationAarna, Olav7th Triennial World Congress of the IFAC on A Link Between Science and Applications of Automatic Control, Helsinki, Finland, 12-16 June1978 / p. 279-286 https://doi.org/10.1016/S1474-6670(17)65953-6

Integrated approach to the process control system designAarna, Olav; Raiend, Kullo2nd IFAC/IFIP Symposium on Software for Computer Control, Prague, Czechoslovakia, 11-15 June IFAC Proceedings Volumes1979 / p. 275-278 : ill https://doi.org/10.1016/S1474-6670(17)65814-2

Welcome addressTamm, Boris, inform.4th IFAC Workshop on Distributed Computer Control Systems 1982, Tallinn, USSR, 24-26 May1982 / p. XVIII https://doi.org/10.1016/S1474-6670(17)63250-6