Baran, P., Cygankiewicz, J., Krzyżanowski, A. and Zarębska, K. (2013) “Sorption of saturated and unsaturated hydrocarbons on selected coal sample from the Pniówek mine”, Geology, Geophysics and Environment, 39(4), p. 341. doi: 10.7494/geol.2013.39.4.341.