\Bibitem{GerSir70} \by M.~E.~Gertsenshtein, E.~I.~Sirotinin \paper The nature of the electrical impulse in an explosion \jour Prikl. Mekh. Tekh. Fiz. \yr 1970 \vol 11 \issue 2 \pages 72--75 \mathnet{http://mi.mathnet.ru/pmtf7808} \transl \jour J. Appl. Mech. Tech. Phys. \yr 1970 \vol 11 \issue 2 \pages 260--263 \crossref{https://doi.org/10.1007/BF00908105}