Hoon Park Jaehoon Choi Design of Planar Inverted-F Antenna with Wide and Multi Band Characteristic for Mobile Handset. 2655-2658 2006 89-B IEICE Transactions 9 http://dx.doi.org/10.1093/ietcom/e89-b.9.2655 db/journals/ieicet/ieicet89b.html#ParkC06e