https://doi.org/10.31063/2073-6517/2020.17-4.1
https://doi.org/10.31063/2073-6517/2020.17-4.2
https://doi.org/10.31063/2073-6517/2020.17-4.3
https://doi.org/10.31063/2073-6517/2020.17-4.4
https://doi.org/10.31063/2073-6517/2020.17-4.5
https://doi.org/10.31063/2073-6517/2020.17-4.6
https://doi.org/10.31063/2073-6517/2020.17-4.7
https://doi.org/10.31063/2073-6517/2020.17-4.8
https://doi.org/10.31063/2073-6517/2020.17-4.9
https://doi.org/10.31063/2073-6517/2020.17-4.10
https://doi.org/10.31063/2073-6517/2020.17-4.11
https://doi.org/10.31063/2073-6517/2020.17-4.12
https://doi.org/10.31063/2073-6517/2020.17-4.13
https://doi.org/10.31063/2073-6517/2020.17-4.14
https://doi.org/10.31063/2073-6517/2020.17-4.15
https://doi.org/10.31063/2073-6517/2020.17-4.16