[1]M. A. Lutyński и P. Sakiewicz, PMI, т. 170, вып. 2, сс. 234-237, апр. 2007.

[1]M. A. Lutyński and P. Sakiewicz, "Feasibility Study of CO2 Storage in Closed Coal Mines", PMI, vol. 170, no. 2, pp. 234-237, Apr. 2007.