@conference {capsalis1996microstrip,
	title = {Microstrip circular antennas operating at 900 MHz and 1.8 GHz},
	booktitle = {Trans Black Sea Region Symposium on Applied Electromagnetism},
	year = {1996},
	pages = {ANPR\_5{\textendash}ANPR\_5},
	publisher = {IEEE},
	organization = {IEEE},
	author = {CAPSALIS, CN and Vellis, FE and Trakadas, P.}
}
