PACS numbers

42.60.Rn Relaxation oscillations and long pulse operation

N.N. Sobolev, V.V. Sokovikov “CO₂ lasers” Sov. Phys. Usp. 10 153–170 (1967)
42.55.Lt, 42.60.Da, 42.60.Gd, 42.60.By, 42.60.Rn, 42.60.Jf (all)