Iron Slag Hills of Tuiu – An Ancient industrial Landscape on Saaremaa.
Peets, J. (1996). The Iron Slag Hills of Tuiu – An Ancient industrial Landscape on Saaremaa. Hackens, T., Hicks, S., Lang, V., Miller, U., & Saarse, L., (eds.). PACT, 51. Coastal Estonia. Recent Advances in Enviromental and Cultural History. (30−37). Rixensart: Council of Europe ; Rixensart : PACT Belgium.