Environmental Effects of Organic and Inorganic Contaminants in Sewage Sludge Editat de R.D. Davis et al. 30 apr 1983 Hardback Preț: 949.42 lei 1157.82 lei 6-8 săpt. -18%
Phosphorus in Sewage Sludge and Animal Waste Slurries Editat de G. Hucker et al. 31 mar 1981 Hardback Preț: 959.36 lei 1169.95 lei 6-8 săpt. -18%