\Bibitem{MasBorZia79} \by V.~M.~Maslov, I.~P.~Borovinskaya, M.~Kh.~Ziatdinov \paper Combustion of the systems niobium-aluminum and niobium--germanium \jour Fizika Goreniya i Vzryva \yr 1979 \vol 15 \issue 1 \pages 49--57 \mathnet{http://mi.mathnet.ru/fgv5319} \transl \jour Combustion, Explosion and Shock Waves \yr 1979 \vol 15 \issue 1 \pages 41--47 \crossref{https://doi.org/10.1007/BF00785327}