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.