WASET
    Mamoun F. Abdel-Hafez,  Detection of Bias in GPS satellites- Measurements for Enhanced Measurement Integrity.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2010, vol. 38(2). 306 - 311
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10258.