Acta Physica Polonica A
Acta Physica Polonica A > 2018 > 133 > 3 > 657-659
Acta Physica Polonica A > 2018 > 133 > 3 > 645-647
Acta Physica Polonica A > 2018 > 133 > 3 > 666-668
Acta Physica Polonica A > 2018 > 133 > 3 > 657-659
Acta Physica Polonica A > 2018 > 133 > 3 > 645-647
Acta Physica Polonica A > 2018 > 133 > 3 > 666-668