WASET
    Augustine C. Azubogu and  Victor E. Idigo and  Schola U. Nnebe and  Obinna S. Oguejiofor and  Simon E.,  Wireless Sensor Networks for Long Distance Pipeline Monitoring.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2013, vol. 75(3). 285 - 289
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/13199.