@article {abuelfadl2011composite,
	title = {Composite right/left-handed circular meta-waveguide},
	journal = {Applied Physics A},
	volume = {103},
	number = {3},
	year = {2011},
	note = {n/a},
	pages = {759{\textendash}763},
	publisher = {Springer-Verlag},
	abstract = {n/a},
	author = {Tamer M. Abuelfadl}
}
