WASET
    Isao Tomita,  Short-Path Near-Infrared Laser Detection of Environmental Gases by Wavelength-Modulation Spectroscopy.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2014, vol. 95(11). 1251 - 1254
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/9999737.