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008 150520s9999||||xx |||||||||||||| ||und||
082 _a621.3815448 HEL
100 _a"Helfrick, Albert D."
245 _aModern Electronic instrumentation and measurement techniques
250 _a2001
300 _a621.3815448 HEL
600 _aEngineering
942 _2ddc
_cBK
_03
999 _c14819
_d14819