Multistep directional couplers with multimode assouciation region [Text] / O. Soroka //
Recent Advances in Microwave Technology (ISRAMT'95) : Proc. of 5th Intern. Sympos., Kyiv, Sept. 11-16, 1995. - Kyiv, 1995. - Vol. 1. - P. 294-298. Додаткові точки доступу: Сорока, Олександр Степанович