TY  - BOOK
AU  - Walters 
TI  - Hydraulic and electro-hydraulic control systems 
SN  - 185665560 
U1  - 629.8323 WAL 1991 
PY  - 1991///
CY  - London
PB  - Elsevier Applied Science
KW  - Hydraulic servomechanisms
N1  - Includes bibliographical references and index
ER  -