N. Barbakadze (P. Melikishvili Institute of Physical & Organic Chemistry, I. Javakhishvili Tbilisi State University, 31 A. Politkovskaya St, Tbilisi, 0186, Georgia, Georgia)
K. Sarajishvili (P. Melikishvili Institute of Physical & Organic Chemistry, I. Javakhishvili Tbilisi State University, 31 A. Politkovskaya St, Tbilisi, 0186, Georgia, Georgia)
R. Chedia (P. Melikishvili Institute of Physical & Organic Chemistry, I. Javakhishvili Tbilisi State University, 31 A. Politkovskaya St, Tbilisi, 0186, Georgia, Georgia)
L. Chkhartishvili (Boron-Containing & Powdered Materials Laboratory, F. Tavadze Metallurgy & Materials Science Institute, 10 E. Mindeli St, Tbilisi, 0186, Georgia, Georgia)
O. Tsagareishvili (Boron-Containing & Powdered Materials Laboratory, F. Tavadze Metallurgy & Materials Science Institute, 10 E. Mindeli St, Tbilisi, 0186, Georgia, Georgia)
A. Mikeladze (Boron-Containing & Powdered Materials Laboratory, F. Tavadze Metallurgy & Materials Science Institute, 10 E. Mindeli St, Tbilisi, 0186, Georgia, Georgia)
M. Darchiashvili (Boron-Containing & Powdered Materials Laboratory, F. Tavadze Metallurgy & Materials Science Institute, 10 E. Mindeli St, Tbilisi, 0186, Georgia, Georgia)
V. Ugrekhelidze (Quality Management Department, National High Technology Centre of Georgia, 21 P. Kavtaradze St, Tbilisi, 0186, Georgia, Georgia)