1. 1. S. A. Ambartsumyan, Micropolar Theory of Shells and Plates [in Russian], Izd. NAS of Armenia, Yerevan (1999).
2. 2. È. L. Aero, E. V. Kuvshinskii, "Fundamental equations of the theory of elastic media with rotationally interacting particles," Fiz. Tv. Tela, 2, No. 7, 1399-1409 (1960)
3. English translation: Sov. Phys. Solid State, 2, 1272-1281 (1961).
4. 3. P. A. Belov, S. A. Lurie, "A continuum model of microheterogeneous media," Prikl. Mat. Mekh., 73, No. 5, 833-848 (2009)
5. English translation: J. Appl. Math. Mech., 73, No. 5, 599-608 (2009), https://doi.org/10.1016/j.jappmathmech.2009.11.013