Siddiqui, R. , Moghaddam, D. , Turlapati, T. , Khan, S. , Ahad, I.. "X-Ray Intensity Measurement Using Frequency Output Sensor for Computed Tomography". World Academy of Science, Engineering and Technology, Open Science Index 78, International Journal of Biomedical and Biological Engineering (2013), 7(6), 221 - 224.