@article{abdelgwad_said_2016,  title={Measured Dielectric Permittivity of Contaminated Sandy Soil at Microwave Frequency},  volume={15},  ISSN={2179-1074},  url={https://doi.org/10.1590/2179-10742016v15i2591},  DOI={10.1590/2179-10742016v15i2591},  number={2},  journal={Journal of Microwaves, Optoelectronics and Electromagnetic Applications},  publisher={Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo},  author={Abdelgwad, Ahmad H. and Said, Tarek M.},  year={2016},  month={Apr},  pages={115–122} }