Microwave and Optical Technology Letters
Microwave and Optical Technology Letters > 53 > 5 > 1018 - 1021
Microwave and Optical Technology Letters > 53 > 5 > 984 - 987
Microwave and Optical Technology Letters > 53 > 5 > 1056 - 1062
Microwave and Optical Technology Letters > 53 > 5 > 1128 - 1131