lradu31@yahoo.com
nastasiasaca@gmail.com
claudiumazilu@yahoo.com
maria_gh2001@yahoo.com
ionela.petre@ceprocim.ro
© 2016 Lidia Radu, Nastasia Saca, Claudiu Mazilu, Maria Gheorghe, Ionela Petre, published by Technical University of Civil Engineering of BucharestThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.