TY - BOOK ED - American water works association, Denver, Colo.^pUS ED - Federation of sewage and industrial wastes associations TI - Standard methods for the examination of water, sewage and industrial wastes PY - 1955/// CY - Nueva York, N.Y. PB - APHA KW - AGUA KW - INIST KW - AGUAS RESIDUALES KW - RESIDUOS INDUSTRIALES KW - POLUCIÓN KW - CONTAMINACIÓN DE LAS AGUAS N1 - Prepared and published jointly by APHA, AWWA, FSIWA; Impreso a dos columnas; Notas de pie de página; Bibliografía al final de cada tema ER -