000 00533nam a22001817a 4500
005 20250829155215.0
020 _a335040071
082 _a621.3
_bOPS
100 _aThe Open University
_9171978
245 _aElectromagnetics and electronics units 16 and 17
_b: a servomechanism an operational amplifier
_cThe Open University
260 _aBuckinghamshire:
_bThe open university,
_c1972.
300 _a24p.
500 _aSB
546 _aEng
650 _aServomechanisms
_963532
650 _aElectromagnetism
_9171979
942 _cBK
999 _c25240
_d25240