TY - BOOK AU - Lester,J.N. TI - Heavy metals in wastewater and studge treatment processes SN - 0849346673 AV - TD758.5H43 H43 1987 PY - 1987/// CY - Boca Raton, Florida PB - CRC Press KW - Aguas residuales KW - Purificacion KW - Proceso de barro activado N1 - Contenido : v. 1. sources, analysis, and legislation -- v. 2. treatment and disposal ER -