1. Doctoral School Chemical Engineering and Biotechnologies, Faculty of Chemical Engineering and Biotechnologies University POLITEHNICA of Bucharest Bucharest Romania
2. Doctoral School Chemical Engineering and Biotechnologies Faculty of Chemical Engineering and Biotechnologies University POLITEHNICA of Bucharest Bucharest Romania
3. National Research and Development Institute For Cryogenic and Isotopic Technologies Ramnicu Valcea Romania
4. Romanian Academy Organic Chemistry Center “C.D. Nenitzescu” Bucharest Romania