Acta Physica Polonica A
Acta Physica Polonica A > 1992 > 82 > 4 > 656-659
Acta Physica Polonica A > 1992 > 82 > 4 > 713-716
Acta Physica Polonica A > 1992 > 82 > 5 > 833-836
Acta Physica Polonica A > 1992 > 82 > 5 > 837-840
Acta Physica Polonica A > 1992 > 82 > 5 > 825-828
Acta Physica Polonica A > 1992 > 82 > 5 > 911-913