TY - BOOK T1 - Advanced wastewater treatment A1 - Culp, Russell L. 1916- A2 - Culp, Gordon L. LA - English PP - New York PB - Van Nostrand Reinhold YR - 1971 UL - https://tuklas.up.edu.ph/Record/UP-1685523046124920058 OP - 310 NO - Includes bibliographies. CN - TD745 C85 KW - Sewage : Purification. ER -