Bierck, B.R.

Abbott, D., Bierck, B.R. & Ogden, D.A., 1994. Wastewater treatment plant process control training in Romania, (Wash field report no. 452) Arlington, VA, USA: Water and Sanitation for Health Project (WASH). Available at: https://fr.ircwash.org/sites/default/files/341.0-94WA-12407.pdf.