WASET
    A. A. Penin,  An Empirical Validation of the Linear- Hyperbolic Approximation of the I-V Characteristic of a Solar Cell Generator.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2011, vol. 51(3). 510 - 515
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/5024.