Acta Physica Polonica A
Acta Physica Polonica A > 2017 > 131 > 4 > 615-617
Acta Physica Polonica A > 2017 > 131 > 4 > 645-647
Acta Physica Polonica A > 2017 > 131 > 4 > 627-629
Acta Physica Polonica A > 2017 > 131 > 4 > 1021-1023
Acta Physica Polonica A > 2017 > 131 > 4 > 636-638