WASET
    V. Subramanyan Namboodiri and  Sajan. D. George and  Steffen Hardt,  Photodegradation of Optically Trapped Polystyrene Beads at 442 nm.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2010, vol. 45(9). 875 - 878
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/14081.