共 19 条
[1]
AHMED NE, 1968, SUDAN MED J, V6, P156
[2]
BAHKRI A, 1991, PRESENT FUTURE STATE
[3]
BLUM D, 1985, HLTH ASPECTS NIGHT 3
[4]
GORCHEV HG, 1982, UNPUB INT WATER SUPP
[5]
GORCHEV HG, 1988, UNPUB INTERAGENCY CO
[6]
GUMBO FJ, 1985, WATER QUALITY B WA 3, V10
[7]
HESPANHOL I, 1990, Aqua (Oxford), V39, P237
[8]
KYPRIS DC, 1992, UNPUB 1992 CYPR NAT
[9]
Mara D, 1989, GUIDELINES SAFE USE
[10]
PROST A, 1991, EVOLUTION NORMES HYG