Szukana fraza: [Bibliografia = "61. Viles H., Pentecost A., 1994, Problems in assessing the weathering action of lichens with an example of epiliths on sandstone, \[w\:\] D.A. Robinson, R.B.G. Williams \(red.\), Rock Weathering and Landform Evolution, Wiley, Chichester, s. 99–116."]