Approach to the design of asymmetric coupled-line directional couplers with the maximum achievable impedance-transformation ratio / Krzysztof WINCZA, Sławomir GRUSZCZYŃSKI, Stanisław KUTA // IEEE Transactions on Microwave Theory and Techniques ; ISSN 0018-9480. — 2012 vol. 60 no. 5, s. 1218–1225. — Bibliogr. s. 1224–1225, Abstr.. — tekst: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6155622

Broadband rat-race couplers with coupled-line section and impedance transformers / Sławomir GRUSZCZYŃSKI, Krzysztof WINCZA // IEEE Microwave and Wireless Components Letters ; ISSN 1531-1309. — 2012 vol. 22 no. 1, s. 22–24. — Bibliogr. s. 24, Abstr.. — tekst: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6107589

Broadband waveguide-to-microstrip transition with coupled tuning elements / Sławomir GRUSZCZYŃSKI, Krzysztof WINCZA, Kamil STASZEK // Microwave and Optical Technology Letters ; ISSN 0895-2477. — 2012 vol. 54 no. 12, s. 2787–2789. — Bibliogr. s. 2789, Abstr.. — tekst: http://onlinelibrary.wiley.com/doi/10.1002/mop.27206/pdf

Microstrip antenna array with series feeding network designed with the use of slot-coupled three-way power divider / Izabela Słomian, Ilona Piekarz, Krzysztof WINCZA, Sławomir GRUSZCZYŃSKI // IEEE Antennas and Wireless Propagation Letters ; ISSN 1536-1225. — 2012 vol. 11, s. 667–670. — Bibliogr. s. 670, Abstr.. — tekst: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6216399

Ultrabroadband 8 x 8 Butler matrix designed with the use of multisection directional couplers and phase correction networks / Krzysztof WINCZA, Sławomir GRUSZCZYŃSKI, Krzysztof Sachse, Stanisław KUTA // Microwave and Optical Technology Letters ; ISSN 0895-2477. — 2012 vol. 54 no. 6, s. 1375–1380. — Bibliogr. s. 1380, Abstr.. — tekst: http://web.ebscohost.com/ehost/viewarticle?data=dGJyMPPp44rp2%2fdV0%2bnjisfk5Ie46bRRtq6vTq6k63nn5Kx95uXxjL6nrUq2pbBIr6qeSrimtlKurJ5Zy5zyit%2fk8Xnh6ueH7N%2fiVbOmr0q3qLFNpOLfhuWz7oSk2uBV36%2fmPvLX5VW%2fxKR57LO1S7Kut1GvqKR%2b7ejrefKz7nzkvPOE6srjkPIA&hid=4204