TY - BOOK T1 - Chemistry for sanitary engineers A1 - Sawyer, Clair N. LA - English PP - New York PB - McGraw-Hill YR - 1967 UL - https://tuklas.up.edu.ph/Record/UP-1685523046124967826 OP - 518 NO - Third ed. published in 1978 under title: Chemistry for environmental engineering. CN - TD153 S39 1967 KW - Sanitary chemistry. KW - Sanitary engineering. ER -