TY  - BOOK
AU  - Parr,Andrew
TI  - Hydraulics and pneumatics: a technician's and engineer's guide 
SN  - 0750607939 (pbk.)
PY  - 1992///
CY  - Oxford
PB  - Butterworth Heinemann
KW  - Pneumatic engineering
KW  - Hydraulic engineering
ER  -