TransliterationTechner S., Martinsen Kh. Vvedenie v alternativnuyu i dopolnitelnuyu kommunikatsiyu: zhesty i graficheskie simvoly dlya lyudey s dvigatelnymi i intellektualnymi narusheniyami, a takzh
In EnglishTechner S., Martinsen H. An introduction to alternative and complementary communication: gestures and graphics for people with motor and intellectual disabilities, as well as In Russian
$199