Kutsenko, L.; Vanin, V.; Semkiv, O.; Zapolskiy, L.; Shoman, O.; Martynov, V.; Morozova, G.; Danylenko, V.; Krivoshey, B.; Kovalov, O. Geometrical Modeling of the Unfolding of Spatial Rod Structures, Similar to the Four-Link Pendulum, in Weightlessness. EEJET 2018, 5, 70-80.