TY - BOOK AU - Walters,R.B. TI - Hydraulic and electro-hydraulic control systems SN - 1851665560 PY - 1991/// CY - London PB - Elsevier Applied Science KW - Hydraulic servomechanisms N1 - Based on the author's Hydraulic and electro-hydraulic servo systems; p. 245-246 ER -