Szukana fraza: [Bibliografia = "6. BUTLER D.R., SAWYER C.F., MAAS J.A., 2010. Tree ring dating of snow avalanches in Glacier National Park, Montana, USA \[in\:\] M. Stoffel, M. Bollschweiler, D.R. Butler, B.H. Luckman \(eds.\), Tree Rings and Natural Hazards. Dordrecht\-New York\: Springer, pp. 35\-46."]