TY  - BOOK
AU  - Tyers,A.
AU  - Miles,R.B.
TI  - Principles of servomechanisms,
U1  - 629.83 
PY  - 1960///]
CY  - London
PB  - I. Pitman
KW  - Servomechanisms
KW  - MCE
ER  -