WASET
    Wen-Ken Li and  Pei-Yuan Tzeng and  Chyi-Yeou Soong and  Chung-Ho Liu,  Absorption Center of Photophoresis with in Micro-Sized and Spheroidal Particles in a Gaseous Medium.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2010, vol. 41(5). 803 - 807
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/4135.