Wastewater sampling methodologies and flow measurement techniques /
by U.S. Environmental Protection Agency, Region VII ; Daniel J. Harris and William J. Keffer.
APA Citation
United States. Environmental Protection Agency. Region VII., Keffer, W. J., Harris, D. J. (1974). Wastewater sampling methodologies and flow measurement techniques. [S.l.]: EPA, Region VII.
MLA Citation
United States. Environmental Protection Agency. Region VII, William J Keffer, and Daniel J Harris. Wastewater Sampling Methodologies And Flow Measurement Techniques. [S.l.]: EPA, Region VII, 1974.
Warning: These citations may not always be complete (especially for serials).