WASET
    A. D. Parekh and  P. R. Tailor ,  Thermodynamic Analysis of Cascade Refrigeration System Using R12-R13, R290-R23 and R404A-R23.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2014, vol. 92(8). 1351 - 1356
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/9998940.