Lecture delivered as part of the REMEDIS project lecture series, funded by the Science Fund of the Republic of Serbia through the Program: Serbian Scientific Cooperation Program with the Diaspora: Support for Visits of Diaspora Scientists. PI of the project Dr. Nataša Petrović, from the Institute of Chemistry, Technology and Metallurgy, University of Belgrade (vukicevic@ihtm.bg.ac.rs)
Stopic et al. (Thu,) studied this question.