Establishing requirements for information systemsElmik, Lea; Haamer, Tõnis; Rava, KarinProceedings of the Doctoral Consortium : Third International Baltic Workshop on Databases and Information Systems, Riga, April 15-17, 19981998 / p. 3-12

Time modelling for requirements and specification analysisMõtus, Leo; Meriste, Merik27th IFAC/IFIP/IEEE Workshop on Real-time Programming : Swiebodzin, Poland, 20032003 / p. 13-18