000 005840000a22001810004500
001 14271
010 _aEsc. 25$
090 _a14271
100 _a20190520 frey50
101 _aeng
200 0 1 _aAn improved role for faecal coliform to faecal Streptococci ratios in the differentiation between human and non-human pollution sources [Texto policopiado]
_fR. Freachem
210 _a[S.l.]
_c1975
_dPergamon Press
215 _a2 p.
_d30 cm
305 _aSep. Water research, 9, p. 689-690
317 _aIPIMAR
320 _aContém bibliografia
686 _aD 73
700 _aFreachem,
_bR.