0187-5779

0187-5779

S0187-57792012000300249

Mexico

00 09 2012

00 09 2012

30 3 249 259

1992 319

11-3

2001 45

9-14

1997 11

95-108

1998 38

139-64

CEFP (Centro de Estudios de las Finanzas Públicas) 2001

1980 35

40-1

1981 36

235-40

1993 43

301-8

1994 30

41-67

FAO (Food and Agriculture Organization of the United Nations) 1998

1995

1988

1983 26

785-8

1999 13

11-21

1994 7

110-37

2000 28

198-203

1993 22

225-39

2005 39

409-18

1990 1

61-73

1985 9

277-80

Soil Survey Staff 1998

1999

2003 37

413-23

1975

118-24

1978

1989