TY  - BOOK
AU  - B.J. Dutka
AU  -  A.H. El-Shaarawi, 
TI  - Use of simple, inexpensive microbial water quality tests : Results of a three-continent, eight country research project
U1  - 628.161 
PY  - 1990///
CY  - Burlington
PB  - National Water Research Institute
ER  -