Biblio

D. Abbott, Bierck, B. R., and Ogden, D. A., “Wastewater treatment plant process control training in Romania”, vol. no. 452. Water and Sanitation for Health Project (WASH), Arlington, VA, USA, p. xv, 58 p.: 1 map, 1994.

G. B. Institute Maidstone, Unit processes : sewage sludge II : conditioning, dewatering and thermal drying. London, UK: Institute of Water Pollution Control (IWPC), 1981, p. 124 p. : 16 fig, 1`2 plates.