TY  - BOOK
AU  - HALL,F.
TI  - PLUMBING: COLD WATER SUPPLIES, DRAINAGE AND SANITATION / 
U1  - 969.1 
PY  - 1994///
CY  - [S.N] : 
PB  - LONGMAN SCIENTIFIC AND TECHNICAL ، 
KW  - WATER SUPPLY
KW  - PLUMBING
KW  - SANITATION
ER  -