@phdthesis{Narra2013, author = {Satyanarayana Narra}, title = {Structural amelioration of clay-sand substrate using FGD Gypsum as a substitute for Lime in recultivation of virgin soil at post-mining field Nochten (Lusatia) under soil physical and plant growth aspects}, type = {doctoralthesis}, pages = {XVII, 143}, year = {2013}, }