000 00438nam a22001457a 4500
020 _a0335084370
082 _a621.381
_bVAI
100 _aOpen University
_9208051
245 _a Introductory electronics Unit 12
_b: Analogue/digital conversion
_cOpen University
260 _aWalton Hall:
_bOpen University,
_c1980.
300 _a38p.
490 _aOpen University. Introductory Electronics Course Team
546 _aeng
942 _cBK
999 _c153362
_d153362