TY - BOOK T1 - Chemistry for sanitary engineers A1 - Sawyer, Clair N. LA - English PP - New York PB - McGraw-Hill YR - 1960 UL - https://tuklas.up.edu.ph/Record/UP-1685523046124967827 OP - 367 CN - TD153 S39 1960 KW - Sanitary chemistry. KW - Sanitary engineering. ER -