Acta Physica Polonica A
Acta Physica Polonica A > 2000 > 97 > 3 > 523-526
Acta Physica Polonica A > 2000 > 97 > 3 > 535-538
Acta Physica Polonica A > 2000 > 97 > 3 > 451-454
Acta Physica Polonica A > 2000 > 97 > 3 > 523-526
Acta Physica Polonica A > 2000 > 97 > 3 > 535-538
Acta Physica Polonica A > 2000 > 97 > 3 > 451-454