TY - BOOK AU - Dutka, B.J. ed. AU - EI-Shaarawi, A.H. ed. TI - Use of Simple, Inexpensive Microbial Water Quality Tests: Result of a Three-Continent, Eight-Country Research Projects U1 - 644.61 PY - 1990///, CY - Canada PB - IDRC KW - Water Quality Tests ER -