Microwave and Optical Technology Letters
Microwave and Optical Technology Letters > 52 > 9 > 2056 - 2059
Microwave and Optical Technology Letters > 52 > 10 > 2375 - 2378
Microwave and Optical Technology Letters > 53 > 6 > 1386 - 1389
Microwave and Optical Technology Letters > 58 > 9 > 2091 - 2093