TY  - CHAP
A1  - Field, K G
T1  - Faecal source identification.
Y1  - 2004//
N1  - R827639
IS  - Ch. 22
SP  - 349
EP  - 366
ER  - 


TY  - CHAP
A1  - Till, D 
A1  - Field, K G
A1  - Dufour, A 
T1  - Managing risk of waterborne zoonotic disease through water quality surveillance.
Y1  - 2004//
N1  - R827639
SP  - 338
EP  - 348
ER  -