N. Nandan A. M. Nagaraj and  L. Sanjeev Kumar,  Electrical Energy Harvesting Using Thermo Electric Generator for Rural Communities in India.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2019, vol. 154(10). 663 - 667
    [viewed 20 November 2019]. Available from: https://publications.waset.org/pdf/10010832.