1. Inorganic and organic nitrogen compounds in carboniferous phyllosilicates on spoils with regard to forest reclamation;Aldag;Reclamation Rev.,1980
2. Minesoil and site properties associated with early height growth of Eastern White pine;Andrews;J. Environ. Qual.,1998
3. The Appalachian regional reforestation initiative. US Office of Surface Mining, Appalachian Regional Reforestation Initiative;Angel;Forest Reclamation Advisory,2005
4. Baule, H., and Fricker, C., 1970. The fertilizer treatment of forest trees (Die Düngung v. Waldbäumen, engl.) Transl. C L. Whittles.München, BLV Verlagsgesellschaft.
5. Seedling biomass and element content of Pinus sylvestris and Pinus nigra grown in sandy substrates with lignite;Baumann;Geoderma,2006