Sewage sludge utilisation guidelines and standards for acceptable levels of metal and other pollutants in sludges, soils, crops and waters
Williams, J. H.
Great Britain. Agricultural Development and Advisory Service.
[Alnwick] MAFF., ADAS
1983
Report of a study tour undertaken in USA, 23 September-6 October 1982
At head of title: ADAS overseas study Tour programme 1982/83
Sewage sludge.