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2. Ene , A. Carasca , O. Popa , H. 2016 Proceedings of TC207 ISSMGE seminars
3. NP 120 2014 Technical Romanian Norm regarding design and construction of deep excavations in urban areas
4. NP 122 2010 Technical Romanian Norm regarding the determination of the characteristic and design values of the geotechnical parameters
5. NP 124 2010 Technical Romanian Norm regarding the geotechnical design of retaining structures