El-Alej, M. , Mba, D. , Yan, T. , Elforgani, M.. "Monitoring Sand Transport Characteristics in Multiphase Flow in Horizontal Pipelines Using Acoustic Emission Technology". World Academy of Science, Engineering and Technology, Open Science Index 78, International Journal of Mechanical and Mechatronics Engineering (2013), 7(6), 1144 - 1150.