Acta Physica Polonica A
Acta Physica Polonica A > 2000 > 97 > 3 > 471-474
Acta Physica Polonica A > 2000 > 97 > 3 > 459-462
Acta Physica Polonica A > 2000 > 97 > 3 > 431-434
Acta Physica Polonica A > 2000 > 97 > 3 > 471-474
Acta Physica Polonica A > 2000 > 97 > 3 > 459-462
Acta Physica Polonica A > 2000 > 97 > 3 > 431-434