TY  - BOOK
AU  - Sahay, J
TI  - Elements of pumps and tubewells/by J. Sahay 
U1  - 621.252  
PY  - 1986///
CY  - Patna: 
PB  - Agro Book Agency; 
KW  - Engineering and allied operations
KW  - Technology (Applied sciences)
KW  - Hydraulic engineering | Pumps
ER  -