Biblio

Water Pollution Control Federation -Washington, DC, US, Simplified laboratory procedures for wastewater examination, 3rd, rev.ed.e ed. Washington, DC, USA: Water Pollution Control Federation, 1985, p. xi, 105 p.: fig., tab., drwngs., photogr.

Water Pollution Control Federation -Washington, DC, US, American Public Health Association -Washington, DC, US, en American Water Works Association -Denver, CO, US, AWWA, Standard methods for the examination of water and wastewater, 15th ed.e ed. Washington, DC, USA: American Public Health Association (APHA), 1981, p. xlvii, 1134 p. of plates.