000 nam a22 7a 4500
999 _c2598
_d2598
003 OSt
005 20170205105300.0
008 170205b xxu||||| |||| 00| 0 eng d
040 _cNARA
082 _a644.61
_bUSE
245 _aUse of Simple, Inexpensive Microbial Water Quality Tests: Result of a Three-Continent, Eight-Country Research Projects
260 _aCanada,
_bIDRC,
_c1990,
300 _a186P.
_c32CM.
650 0 _97937
_aWater Quality Tests
700 _97936
_aDutka, B.J. ed.
700 _97935
_aEI-Shaarawi, A.H. ed.
942 _2ddc
_cBK