Gulshan Sachdeva and  Vaibhav Jain and  S. S. Kachhwaha,  Performance Study of Cascade Refrigeration System Using Alternative Refrigerants.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 87(3). 522 - 528
    [viewed 09 May 2024]. Available from: https://publications.waset.org/pdf/9997619.