TY  - BOOK
AU  - Hamill, Les 
TI  - Understanding hydraulics 
SN  - 9780230242753
U1  - 627 
PY  - 2011///
CY  - London 
PB  - Palgrave macmillan 
KW  - Hydraulic
KW  - Hydraulic engineering
UR  - https://www.amazon.com/Understanding-Hydraulics-L-Hamill/dp/0230242758/ref=sr_1_1?s=books&ie=UTF8&qid=1541759574&sr=1-1&keywords=9780230242753
ER  -