[1]
T. Kossek, D. Czułek, and M. Koba, “Long-term Absolute Wavelength Stability of Acetylene-stabilized Reference Laser at 1533 nm”, JTIT, vol. 66, no. 4, pp. 88–93, Dec. 2016, doi: 10.26636/jtit.2016.4.766.