\Bibitem{GarZarKal93} \by G.~G.~Gartvich, A.~E.~Zarvin, V.~V.~Kalyada, V.~Zh.~Madirbaev \paper Use of electron beam diagnostics to investigate flow of hydrogen fluoride gas \jour Prikl. Mekh. Tekh. Fiz. \yr 1993 \vol 34 \issue 5 \pages 150--156 \mathnet{http://mi.mathnet.ru/pmtf3992} \transl \jour J. Appl. Mech. Tech. Phys. \yr 1993 \vol 34 \issue 5 \pages 739--744 \crossref{https://doi.org/10.1007/BF00859844}