Z. I. Ashurli, Yu. M. Vasil'kovskii, I. A. Gordeeva, L. V. Malyshev, R. E. Rovinskiĭ, A. A. Kholodilov, “Pulsed electric-discharge $CO_2$ laser for use in research”, Kvantovaya Elektronika, 7:7 (1980), 1456–1460 [Sov J Quantum Electron, 10:7 (1980), 838–840]
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