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RT Journal T1 The early years of quantum electronics A1 Krokhin,O.N. PB Physics-Uspekhi PY 2004 FD 10 Oct, 2004 JF Physics-Uspekhi JO Phys. Usp. VO 47 IS 10 SP 1045-1048 DO 10.1070/PU2004v047n10ABEH001907 LK https://ufn.ru/en/articles/2004/10/f/