@article{paperid:1038857,
author = {Pourzadi, Aref and Attari, Amir Reza and Majedi, Mohammad Saeed},
title = {A Generalized Circuit Model for High Directivity Coupler Using Mu-Negative Transmission Lines},
journal = {Frequenz},
year = {2013},
volume = {67},
number = {11},
month = {November},
issn = {0016-1136},
pages = {359--363},
			numpages = {4},
keywords = {directivity; even and odd mode phase velocities; mu negative transmission line},
}