[1] Wombel R J and DeSanto J A 1991 J. Opt. Soc. Am. A 8
1892

[2] Wombel R J and DeSanto J A 1991 Inverse Problems 7 L7

[3] Sheppard C 1998 Waves in Random Media 8 53

[4] Ying C and Noguchi A 1994 IEICE Trans. Electron. E77-C
1781

[5] Maystre R D 1980 J. Opt. Soc. Am. 7 1483

[6] Spivack M 1992 J. Opt. Soc. Am. A 9 1352

[7] Spivack M 1992 J. Phys. A 25 3295

[8] Arens T and Kirsch A 2003 Inverse Problems 19 1195

[9] Ren Y C, Guo L X and Wu Z S 2006 Chin. Phys. Lett. 23
2426

[10] Potthast R 1998 IMA J. Appl. Math. 61 119

[11] Potthast R 2001 Point Sources and Multipoles in Inverse
Scattering Theory (Boca Raton, FL: CRC)

[12] Ikehata M 2000 Inverse Problems 16 785

[13] Lan K W, Li Q, Tsang L, Lai K L and Chan C H2004 IEEE Trans.
Antennas Propag. 52 3200

[14] Dogaru T and Carin L 2000 Radio Science 35 1279

[15] Guerin C A 2002 Waves Random Media 12 293