Amin Nekoubin and  Abdolamir Nekoubin,  Design an Electrical Nose with ZnO Nanowire Arrays.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2011, vol. 58(10). 897 - 900
    [viewed 18 January 2020]. Available from: https://publications.waset.org/pdf/5561.