Acta Physica Polonica A
Acta Physica Polonica A > 2017 > 131 > 4 > 672-674
Acta Physica Polonica A > 2017 > 131 > 4 > 822-827
Acta Physica Polonica A > 2017 > 131 > 4 > 854-856
Acta Physica Polonica A > 2017 > 131 > 4 > 672-674
Acta Physica Polonica A > 2017 > 131 > 4 > 822-827
Acta Physica Polonica A > 2017 > 131 > 4 > 854-856