By Hillquist Ralph K.   in Noise Control Engineering

ISSN:0093-9978|12|3|131-133

Institute of Noise Control Engineering‎(1979)‎

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By Hillquist Ralph K.   in INTER-NOISE and NOISE-CON Congress and Conference Proceedings

ISSN:0736-2935|1978|1|661-666

Institute of Noise Control Engineering‎(1978)‎

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By Hillquist Ralph K.   in INTER-NOISE and NOISE-CON Congress and Conference Proceedings

ISSN:0736-2935|1977|1|425-430

Institute of Noise Control Engineering‎(1977)‎

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By Hillquist Ralph K.   in INTER-NOISE and NOISE-CON Congress and Conference Proceedings

ISSN:0736-2935|1980|1|959-962

Institute of Noise Control Engineering‎(1980)‎

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By Hillquist Ralph K.   in Noise Control Engineering

ISSN:0093-9978|7|1|10-15

Institute of Noise Control Engineering‎(1976)‎

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By Hillquist Ralph K.   in INTER-NOISE and NOISE-CON Congress and Conference Proceedings

ISSN:0736-2935|1971|1|25-27

Institute of Noise Control Engineering‎(1971)‎

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By Hillquist Ralph K.   in INTER-NOISE and NOISE-CON Congress and Conference Proceedings

ISSN:0736-2935|1975|1|285-290

Institute of Noise Control Engineering‎(1975)‎

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