1. 1 PhD ; Bialystok University of Technology , Faculty of Civil Engineering and Environmental Sciences , Wiejska 45E , Bialystok , Poland
2. 2 PhD ; Bialystok University of Technology , Faculty of Civil Engineering and Environmental Sciences , Wiejska 45E , Bialystok , Poland
3. 3 DSc ; Bialystok University of Technology , Faculty of Civil Engineering and Environmental Sciences , Wiejska 45E , Bialystok , Poland