Acta Physica Polonica A
Acta Physica Polonica A > 2017 > 131 > 4 > 878-880
Acta Physica Polonica A > 2017 > 131 > 4 > 642-644
Acta Physica Polonica A > 2017 > 131 > 4 > 854-856
Acta Physica Polonica A > 2017 > 131 > 4 > 878-880
Acta Physica Polonica A > 2017 > 131 > 4 > 642-644
Acta Physica Polonica A > 2017 > 131 > 4 > 854-856