1665-3521 1665-3521 S1665-35212005000400001 Spain 00 00 2005 00 00 2005 18 4 1 6

[1] 2003 [2] 2004 5357 [3] [4] 2002 [5] 2000 288 316 [6] [7] 2005 [8] 1997 169 [9] 1999 54 3 [10] 2000 19 [11] 2003 [12] 2000 18 966 [13] 2003 14 907 [14] 2001 98 1560 [15] 2003 18 649