Heavy metals in wastewater and sludge treatment processes : volume I sources, analysis, and legislation / editor John N. Lester. — Boca Raton (Florida) : CRC Press, [1987]. — CIDIMA. — 183 p. : gráf., tab. ; 26 cm. — ISBN 0-8493-4668-1 1. Aguas residuales.2. Metales pesados. I. Lester, John N., ed.. 628.3:546.3