GI Kozlov, VA Kuznetsov - Kvantovaya Elektronika, 1989 - mathnet.ru
GI Kozlov, VA Kuznetsov, “Multibeam industrial cw CO2 laser with an output power of 10 W”,
Kvantovaya Elektronika, 16:7 (1989), 1360–1363 [Sov J Quantum Electron, 19:7 (1989), 878–879] …