TY  - BOOK
AU  - Tsypkin, Ya. Z.
AU  - Constanda, C., tr.
TI  - Relay control systems
SN  - 0 521 24390 4
U1  - 621.317 
PY  - 1974///
CY  - Cambridge
PB  - Cambridge University
N1  - Includes bibliographical references and index
ER  -