1 : ANDERSON DL, 1988, J GEOPHYS RES-SOLID, V93, P4688, DOI 10.1029/JB093iB05p04688
2 : ANDERSON OL, 1968, REV GEOPHYS, V6, P491, DOI 10.1029/RG006i004p00491
3 : CHOPELAS A, 1992, GEOPHYS RES LETT, V19, P1983, DOI 10.1029/92GL02144
4 : CHOPELAS A, 1989, GEOPHYS RES LETT, V16, P1347, DOI 10.1029/GL016i011p01347
5 : CHOPELAS A, 1992, EARTH PLANET SC LETT, V114, P185, DOI 10.1016/0012-821X(92)90160-W
6 : CORMIER VF, 1986, GEOPHYS RES LETT, V13, P1553, DOI 10.1029/GL013i013p01553
7 : CORRIEU V, 1994, PHYS EARTH PLANET IN, V84, P3, DOI 10.1016/0031-9201(94)90031-0
8 : CORRIEU V, 1995, GEOPHYS J INT, V120, P515
9 : CREAGER KC, 1992, NATURE, V356, P309, DOI 10.1038/356309a0
10 : CUMMINS PR, 1993, J GEOPHYS RES-SOL EA, V98, P2091, DOI 10.1029/92JB01956
11 : DEFRAIGNE P, 1994, J GEOPHYS RES-SOL EA, V99, P9203, DOI 10.1029/94JB00133
12 : DEFRAIGNE P, 1995, THESIS U CATHOLIQUE
13 : DEFRAIGNE P, 1995, J GEOPHYS RES-SOL EA, V100, P2041, DOI 10.1029/94JB02914
14 : DEHANT V, 1991, J GEOMAGN GEOELECTR, V43, P157
15 : DZIEWONSKI AM, 1981, PHYS EARTH PLANET IN, V25, P297, DOI 10.1016/0031-9201(81)90046-7
16 : FORTE AM, 1993, GEOPH MONOG SERIES, V72, P135
17 : FORTE AM, 1994, J GEOPHYS RES-SOL EA, V99, P21857, DOI 10.1029/94JB01467
18 : FORTE AM, 1987, J GEOPHYS RES-SOLID, V92, P3645, DOI 10.1029/JB092iB05p03645
19 : Forte AM, 1994, ADV GEOPHYS, V36, P1, DOI 10.1016/S0065-2687(08)60537-3
20 : FORTE AM, 1991, J GEOPHYS RES-SOL EA, V96, P20131, DOI 10.1029/91JB01709
21 : GWINN CR, 1986, J GEOPHYS RES-SOLID, V91, P4755, DOI 10.1029/JB091iB05p04755
22 : HAGER BH, 1989, PHILOS T R SOC A, V328, P309, DOI 10.1098/rsta.1989.0038
23 : HAGER BH, 1984, J GEOPHYS RES, V89, P6003, DOI 10.1029/JB089iB07p06003
24 : HAGER BH, 1981, J GEOPHYS RES, V86, P4843, DOI 10.1029/JB086iB06p04843
25 : HAGER BH, 1985, NATURE, V313, P541, DOI 10.1038/313541a0
26 : HONG HJ, 1990, J GEOPHYS RES-SOLID, V95, P19933, DOI 10.1029/JB095iB12p19933
27 : ITO E, 1989, J GEOPHYS RES-SOLID, V94, P10637, DOI 10.1029/JB094iB08p10637
28 : JEANLOZ R, 1988, GEOPHYS RES LETT, V15, P72, DOI 10.1029/GL015i001p00072
29 : KATSURA T, 1989, J GEOPHYS RES-SOLID, V94, P15663, DOI 10.1029/JB094iB11p15663
30 : MORGAN JP, 1993, NATURE, V365, P506, DOI 10.1038/365506a0
31 : NEUBERG J, 1987, GEOPHYS J ROY ASTR S, V91, P853, DOI 10.1111/j.1365-246X.1987.tb01671.x
32 : OCONNELL RJ, 1991, NATO ADV SCI I C-MAT, V334, P535
33 : POUPINET G, 1983, NATURE, V305, P204, DOI 10.1038/305204a0
34 : RICARD Y, 1989, J GEOPHYS RES-SOLID, V94, P17543, DOI 10.1029/JB094iB12p17543
35 : RICARD Y, 1984, ANN GEOPHYS, V2, P267
36 : RICARD Y, 1993, J GEOPHYS RES-SOL EA, V98, P21895, DOI 10.1029/93JB02216
37 : RICHARDS MA, 1988, PHYSICS PLANETS, P247
38 : RITZWOLLER M, 1994, EOS T AM GEOPHYS UN, V75, P75
39 : RITZWOLLER M, 1986, J GEOPHYS RES-SOLID, V91, P203, DOI 10.1029/JB091iB10p10203
40 : RITZWOLLER MH, 1994, GEOPHYS J INT, V116, P205, DOI 10.1111/j.1365-246X.1994.tb02137.x
41 : RODGERS A, 1994, GEOPHYS J INT, V117, P19, DOI 10.1111/j.1365-246X.1994.tb03301.x
42 : SHEARER P, 1992, NATURE, V344, P791
43 : STEVENSON DJ, 1987, GEOPHYS J INT, V88, P311, DOI 10.1111/j.1365-246X.1987.tb01383.x
44 : THORAVAL C, 1994, GEOPHYS J INT, V117, P566, DOI 10.1111/j.1365-246X.1994.tb03954.x
45 : TROMP J, 1993, NATURE, V366, P678, DOI 10.1038/366678a0
46 : WAHR J, 1989, GEOPHYS J INT, V99, P511, DOI 10.1111/j.1365-246X.1989.tb02036.x
47 : WEBER P, 1992, GEOPHYS RES LETT, V19, P2107, DOI 10.1029/92GL02148
48 : WIDMER R, 1992, GEOPHYS J INT, V111, P559, DOI 10.1111/j.1365-246X.1992.tb02112.x
49 : WOODHOUSE JH, 1984, J GEOPHYS RES, V89, P5953, DOI 10.1029/JB089iB07p05953
50 : WOODWARD RL, 1993, GEOPH MONOG SERIES, V74, P89