TY  - BOOK
T1  - Water purification control
A1  - Hopkins, Edward Scott 1896-
LA  - English
PP  - Baltimore
PB  - Williams & Wilkins
YR  - 1936
UL  - https://tuklas.up.edu.ph/Record/UP-1685523046125250402
OP  - 184
CN  - TD430 H75 1936
KW  - Water : Purification.
ER  -