TY  - BOOK
AU  - Westwater, F.L. and Waddell, W.A.
TI  - An Introduction to servomechanism
U1  - 621.8 
PY  - 1961///
CY  - London
PB  - ; The English Universities Press
KW  - Engineering
KW  - Machine Engineering
KW  - Servomechanism
ER  -