TY  - BOOK
AU  - The Open University
TI  - Electromagnetics and electronics units 16 and 17: : a servomechanism an operational amplifier
SN  - 335040071
U1  - 621.3 
PY  - 1972///
CY  - Buckinghamshire
PB  - The open university
KW  - Servomechanisms
KW  - Electromagnetism
N1  - SB
ER  -