F. Loffredo and  M. Quarto and  M. Pugliese and  A. Mazzella and  F. De Cicco and  V. Roca,  Effectiveness of Radon Remedial Action Implemented in a School on the Island of Ischia.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2017, vol. 123(3). 131 - 134
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/10006711.