0016-7169 0016-7169 S0016-71692005000300301 Mexico Mexico Mexico Mexico 00 09 2005 00 09 2005 44 3 301 314

APHA AWWA WEF 1996 18 1-193 1996 536 1970 10 330-68 1999 7 5 5 431-9 2000 51 1 1 53-62 2002 16 351-67 1999 4 303-12 1973 43 287-312 1973 176 859-64 1987 69 1292 1990 183 1990 1 Washington, D.C., USA 111-28 1994 33 619-23 2000 39 4 4 359-65 1998 33 4 4 279-88 1997 2 47-53 2000 39 3 3 285-91 2001 40 6 6 708-15 1989 17 17-20 1995 23 17-20 2002 44 191-221 1989 91-8 1989 61-82 SARH 1988 50 1996 1996 35 153-9 1996 34 4 4 640-6 1997 191 315-31 1969 8 349-76 1986 21-9 1985