Bijay Kumar Sahoo and  Ashok Kumar Srivastav,  Piezoelectric Polarization Effect on Debye Frequency and Temperature in Nitride Wurtzites.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2012, vol. 65(5). 503 - 507
    [viewed 04 May 2024]. Available from: https://publications.waset.org/pdf/870.