1. Department of Chemistry Carnegie Mellon University 4400 Fifth Avenue Pittsburgh PA 15213 USA
2. Faculty of Chemical Engineering and Technology Cracow University of Technology Warszawska 24 Cracow 31‐155 Poland
3. Department of Industrial Engineering University of Padova via Marzolo 9 Padova 35131 Italy
4. Faculty of Chemistry Adam Mickiewicz University Uniwersytetu Poznańskiego 8 Poznań 61‐614 Poland