1. Kawka D., Wyczółkowski R., Szecówka L. Calculations of the radiation heat conduction coefficient in the bed of rods // Записки Горного института. 2007. Том 170№ 2. C. 156-159.

1. Kawka D., Wyczółkowski R., Szecówka L. Calculations of the radiation heat conduction coefficient in the bed of rods // Journal of Mining Institute. 2007. Том 170№ 2. C. 156-159.