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An investigation into recreational water quality /
by Byron J. Mechalas ... [et al].

APA Citation

Mechalas, B. J., United States. Environmental Protection Agency. (1972). An investigation into recreational water quality. Washington: U. S. Environmental Protection Agency .

MLA Citation

Mechalas, Byron J, and United States. Environmental Protection Agency. An Investigation Into Recreational Water Quality. Washington: U. S. Environmental Protection Agency , 1972.

Warning: These citations may not always be complete (especially for serials).