Daniel BÎTCĂ
Technical University of Civil Engineering Bucharest
Department of Steel Structures, Management and Engineering Graphics
Bd. Lacul Tei 122-124, Sector 2, București
e-mail: dan.bitca@utcb.ro
Ileana CALOTESCU
Technical University of Civil Engineering Bucharest
Department of Steel Structures, Management and Engineering Graphics
Bd. Lacul Tei 122-124, Sector 2, București
e-mail: ileana.calotescu@utcb.ro
English (UK) 
Română