TY  - BOOK
AU  - DOUCE (J L).
TI  - Introduction to the mathematics of servomechanisms
SN  - 0 340 14976 3
U1  - 629.8232 DOUI 
PY  - 1972///
CY  - London
PB  - ELBS
KW  - Maths servomechanisms
ER  -