Scientific journal publication Environmental monitoring of rock carvings in Scandinavia. Dahlin, E.; Torssander, P.; Mörth, C.M.; Strandh, H.; Åberg, G.; Henriksen, J.F.; Anda, O.; Löfvendahl, R. Publication details Journal: Water, Air Soil Pollut., 130, 1475–1480, 2001