Aimaganbetov, K. et al. 2021. Research of electrophysical properties of solar elements by impedance spectroscopy method using a specially designed low temperature microcryogenic measuring cell. Recent Contributions to Physics. 2021, 1 (Apr. 2021), 68–74. DOI:https://doi.org/10.26577/RCPh.2021.v76.i1.08.