P. Wieczorkowski

Evaluation of technologically enhanced natural radiation near the coal-fired power plants in the Lodz region of Poland.

H. Bem, M. Budzanowski, P. Wieczorkowski, 2002, Journal of environmental radioactivity.

Studies of radionuclide concentrations in surface soil in and around fly ash disposal sites

H. Bem, E. M. Bem, P. Wieczorkowski, 1998 .