TY  - GEN
AU  - Freachem,
TI  - An improved role for faecal coliform to faecal Streptococci ratios in the differentiation between human and non-human pollution sources [Texto policopiado]
SN  - Esc. 25$
PY  - 0000///Pergamon Press
CY  - [S.l.]
PB  - 1975
KW  - D 73
N2  - Contém bibliografia
ER  -