Reduction, modification and valorisation of sludge (REMOVALS) / Christophe Bengoa ... [et al.]. - London : IWA Publishing, 2011. - xiii, 206 p. : charts, ill. ; 30 cm. - EU report series. . - EU report series. . Includes bibliographical references. ISBN: 9781843393450 (pbk.) RM450.50 184339345X (pbk.) Subjects--Topical Terms: Sewage sludge digestion.