A method for description and optimization the structure of multi-level selection procedureRiismaa, TiitProceedings of the 2nd International Conerence Optimization and Analysis of Structures : Tartu, Estonia, August 25-27, 20132013 / p. 135-140 : ill

A tool for flexible planning of rescue routesVain, Jüri; Ernits, Juhan-Peep; Littover, Mati; Randvee, Ingmar; Riismaa, TiitIFAC Workshop on Control in Natural Disasters : CND'98 : September 21-22, 1998, Tokyo, Japan : preprints1998 / p. 101-106: ill

Convex extension of discrete-convex functions and numerical applications in discrete optimizationRiismaa, Tiit17th International conference on "Mathematical Modelling and Analysis" : June 6-9, 2012, Tallinn, Estonia : abstracts2012 / p. 102

Eesti astub uude poliitilisse ajajärkuRiismaa, TiitEesti Päevaleht2007 / 25. jaan., lk. 3

KoalitsioonRiismaa, TiitLooming1992 / 7, lk. 978-983 https://artiklid.elnet.ee/record=b2502481*est

Modelling and optimization of multi-level processing environment - discrete approachRiismaa, Tiit5th International Conference on Optimal Research "Simulation and Optimization in Business and Industry" : May 17-20, 2006, Tallinn, Estonia : programme and abstracts2006 / p. 10

Modelling and optimization of multi-level processing environment - discrete approachRiismaa, TiitInternational Conference on Operational Research : Simulation and Optimisation in Business and Industry : May 17-20, 2006, Tallinn, Estonia2006 / p. 124-128 : ill

Optimal decomposition of large-scale systemsRiismaa, Tiit; Vaarmann, OtuThe International Workshop on Harbour, Maritime and Multimodal Logistics, Modelling & Simulation : HMS 2003 : September 18-20, 2003, Riga, Latvia2003 / p. 385-394

Optimization of the structure of multi-parameter multi-level selectionLittover, Mati; Randvee, Ingmar; Riismaa, Tiit; Vain, Jüri17th International Conference on CAD/CAM, Robotics and Factories of the Future : CARS & FOF 2001 : Durban, South Africa, 10th-12th July 2001 : proceedings. Volume 12001 / p. 317-322 : ill

Optimizing the structure of multi-level processing system as a multi-objective optimization problemRiismaa, Tiit; Vaarmann, OtuProceedings of the 67th meeting of the European Working Group "Multiple Criteria Decision Aiding"2008 / p. 79-93

Pekingi olümpia on tavalise hiinlase huvidesRiismaa, TiitEesti Päevaleht2008 / 24. märts, lk. 3 https://epl.delfi.ee/artikkel/51123856/tiit-riismaa-pekingi-olumpia-on-tavalise-hiinlase-huvides

Solving line balancing problems with model checkingVain, Jüri; Randvee, Ingmar; Riismaa, Tiit; Ernits, Juhan-PeepProceedings of the Estonian Academy of Sciences. Engineering2002 / 4, p. 211-222 : ill https://artiklid.elnet.ee/record=b1011298*est

Two phase technique for assembly line balancingVain, Jüri; Randvee, Ingmar; Riismaa, TiitPreprints of the 16th IFAC World Congress : Prague, Czech Republic, July 3-8, 20052005 / [6] p

Точный трехэтапный метод для решения одной задачи оптимизации иерархииRiismaa, TiitТезисы докладов конференции "Методы алгебры и анализа", 28-30 сентября 19831983 / с. 131 https://www.ester.ee/record=b1311120*est