000 00412 a2200145 4500
080 _a628.16
_bA 512 S
245 1 _aStandard methods for the examination of water and wastewater
250 _a13th edn.
260 _aWashington
_bAmerican Public Health Association
_c1971
650 _aWater and Wastewater
700 _aAmerican Public Health Association
100 _a
_d
300 _a874 p.
901 _a125700
999 _c77715
_d77715