@inproceedings{weko_16253_1,
   author	 = "Hasibuan,Henry I. and Takahashi,Mie and Taguchi,Mitsuo",
   title	 = "Dual Frequency Circularly Polarized Microstrip Antenna for RFID Reader Application",
   booktitle	 = "Proceedings of the 2008 International symposium on antennas and propagation",
   year 	 = "2008",
   volume	 = "2008",
   number	 = "",
   pages	 = "1--4",
   month	 = "oct"
}