1. Government of Romania, “Plan of the national territory development”(in Romanian) (Monitorul Oficial al Romaniei, 2001)
2. Rotunjanu I., Slopes stability(in Romanian) (Infomin Publishing House Deva, 2005)
3. Stănciucu M., Slopes stability (in Romanian), (Tehnical Publishing House Bucharest, 2018)
4. Lazar M., Reports of Professorship Surface Mining, 63 (2017)