Souchkov, Valeri TRIZfest 2014 : proceedings of the 10th international conference Theories and applications. Prague, Czech Republic, September 4-6, 2014. -- Praha : Matriz, 2014. -- 321 p. -- ISBN : 978-0-692-27134-6. Kässi, Tuomo. Adunka, Robert. Belski, Iouri