TY - GEN AU - Randall AU - Barnard AU - Stensel TI - Design and retrofit of wastewater treatment plants for biological nutrient removal T2 - Water quality management library VL - 5 SN - 0-87762-922-6 PY - 1992/// CY - Lancaster PB - Technomic Publishing Company KW - Tratamento biológico KW - Águas residuais KW - tratamento KW - Esgoto KW - Remoção de nutrientes KW - 628.3 ER -