TY  - BOOK
AU  - Babbitt, Harold.E  .
AU  - Cleasby,JohnL  .
AU  - Doland,JamesJ  .
TI  - Water supply engineering / 
U1  - 628.1 
PY  - 1962///
CY  - Newyork : 
PB  - Mc Graw Hill Book Company , 
ER  -