TY - BOOK AU - Kirkpatrick, Joanne, TI - Mathematics for water and wastewater treatment plant operators SN - 0-250-40043-x AV - TD153 K57 PY - 1973/// CY - Ann arbor PB - Ann arbor science KW - IngenierĂ­a sanitaria KW - Matematicas N1 - Contenido: v.1. fundamentals-- v.2. advanced ER -