Acta Physica Polonica A
Acta Physica Polonica A > 1994 > 85 > 2 > 469-473
Acta Physica Polonica A > 1994 > 85 > 2 > 419-422
Acta Physica Polonica A > 1994 > 85 > 2 > 449-453
Acta Physica Polonica A > 1994 > 85 > 2 > 455-459
Acta Physica Polonica A > 1994 > 85 > 2 > 423-426