1. Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, Ljubljana 1000, Slovenia
2. Department of Business and Economics, University of Cagliari, Via Sant’Ignazio da Laconi 17, Cagliari 09123, Italy
3. National and University Library of Slovenia, Turjaška ulica 1, Ljubljana 1000, Slovenia
4. Institute for Sustainable Heritage, University College London, 14 Upper Woburn Place, London WC1H 0NN, U.K.