Acta Physica Polonica A
Acta Physica Polonica A > 2011 > 120 > 5 > 918-920
Acta Physica Polonica A > 2011 > 120 > 5 > 899-901
Acta Physica Polonica A > 2011 > 120 > 5 > 868-869
Acta Physica Polonica A > 2011 > 120 > 5 > 918-920
Acta Physica Polonica A > 2011 > 120 > 5 > 899-901
Acta Physica Polonica A > 2011 > 120 > 5 > 868-869