TY  - BOOK
AU  - Stephens, H S  .
TI  - Pumps-The developing needs papers presented at the seventh technical conference of the Brittish pump manufactures association / 
SN  - 0  9006085  52  7
U1  - 028.74621 
PY  - 1981///
CY  -  : 
PB  - BHRA fluid engineering , 
ER  -