Branislav Timotijevic and Yves Petremand and Markus Luetzelschwab and Dara Bayat and Laurent Aebi, Compact Optical Sensors for Harsh Environments. journal = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology. June 2017, vol. 128(8). 369 - 374 [viewed 23 September 2024]. Available from: https://publications.waset.org/pdf/10007697.