[1]M. A. Lutyński and P. Sakiewicz, PMI, vol. 170, no. 2, p. 234, Feb. 2007.
[1]M. A. Lutyński and P. Sakiewicz, “Feasibility study of CO2 storage in closed coal mines”, PMI, vol. 170, no. 2, p. 234, Feb. 2007.