M. Lupak
Ivan Franko National University of Lviv Ukraine
M. Khokhla
Ivan Franko National University of Lviv Ukraine
G. Hachkova
Ivan Franko National University of Lviv Ukraine
O. Shulga
Department of Physical Chemistry of Combustible Minerals L.M. Lytvynenko Institute of Physico-Organic Chemistry and Coal Chemistry, NAS of Ukraine Ukraine
N. Sheglova
Department of Physical Chemistry of Combustible Minerals L.M. Lytvynenko Institute of Physico-Organic Chemistry and Coal Chemistry, NAS of Ukraine Ukraine
R. Vildanova
Department of Physical Chemistry of Combustible Minerals L.M. Lytvynenko Institute of Physico-Organic Chemistry and Coal Chemistry, NAS of Ukraine Ukraine
A. Zyn
Research Forensic Centre at the Interior Ministry in Ukraine Lviv Region Ukraine
N. Sybirna
Ivan Franko National University of Lviv Ukraine