2[1]POBANZ C.A microwave non-contact identification transponder using sub-harmonic interrogation[J].IEEE Transactions on Microwave Theory and Techniques.1995,43 (7):1673-1679.
3[2]PETER I-LAWKES.Anti-collision and Transponder Selection Methods for Grouped Vicinity Cards and RFID tags[J].RFID Technology,1999.
4[3]JOHN SONNL,KOTZ S.Urn models and their applications[M].Wiley,New York,1977:144.
