Authors
Vlad Ceangu
PhD Candidate, Technical University of Civil Engineering,, Bucharest, Romania
Dan Cretu
Professor, PhD, Technical University of Civil Engineering,, Bucharest, Romania
© 2018 Vlad Ceangu, Dan Cretu, published by Technical University of Civil Engineering of Bucharest
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.