Authors
Gabriel Gavriluț
Faculty of Physics, “Alexandru Ioan Cuza” University of Iași, Romania
Mihail Frasila
Faculty of Physics, “Alexandru Ioan Cuza” University of Iași, Romania
Cristina-Marcela Rusu
Department of Physics, “Gheorghe Asachi” Technical University of Iași, Romania
Tudor-Cristian Petrescu
Department of Concrete Structures, Building Materials, Technology and Management, “Gheorghe Asachi” Technical University of Iași, Romania
Iuliana Oprea
Departament of Mathematics, University of Colorado, Boulder, USA