Stelian Petrescu and  Adina Frunzâ and  Camelia Petrescu,  Heat Transfer at Convective Solid Melting in Fixed Bed.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2008, vol. 23(11). 260 - 265
    [viewed 27 January 2020]. Available from: https://publications.waset.org/pdf/3755.