@ARTICLE{
author={Olukoya Oludotun,Ilic Andjelija Z,Basu Ananjan,Budimir Djuradj I},
year={2019},
title={Miniaturized quadrature hybrid couplers based on novel U-shaped transmission lines},
journal={MICROWAVE AND OPTICAL TECHNOLOGY LETTERS},
volume={61},
number={2},
pages={509-512},
document_type={Article},
}