Environmental Effects of Organic and Inorganic Contaminants in Sewage Sludge Editat de R.D. Davis et al. 30 apr 1983 Hardback Preț: 930.17 lei 1134.36 lei 6-8 săpt. -18%
Phosphorus in Sewage Sludge and Animal Waste Slurries Editat de G. Hucker et al. 31 mar 1981 Hardback Preț: 939.91 lei 1146.23 lei 6-8 săpt. -18%