WASET
    Ashok V. Borhade and  Sanjay G. Wakchaure,  Synthesis and Characterization of Gallosilicate Sodalite Containing NO2- Ions.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2010, vol. 37(1). 87 - 92
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/15701.