@inproceedings{sgem2020s24001,
  title = {A MINIATURE DIRECTIONAL COUPLER ON THREE STUBS IMPLEMENTED ON A FLEXIBLE MICROWAVE SUBSTRATE},
  author = {Denis A. Letavin},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2020, Nano, Bio, Green and Space: Technologies for Sustainable Future},
  year = {2020},
  pages = {3-8},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2020/6.1/s24.001}
}