TY  - GEN
AU  - Bell,
TI  - The limitation of the ratio of fecal coliforms to total coliphage as a water pollution index [Texto fotocopiado]
SN  - Esc. 50$00
PY  - 0000///Pergamon Press
CY  - [S.l.]
PB  - 1976
KW  - D 73
N2  - Bibliografia
ER  -