By Hart F. C.   in Journal of Forestry

ISSN:0022-1201|35|11|1005-1010

Society of American Foresters‎(1937)‎

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By Gerson R.   Hart F.c.   in INTER-NOISE and NOISE-CON Congress and Conference Proceedings

ISSN:0736-2935|1973|1|171-174

Institute of Noise Control Engineering‎(1973)‎

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By Gerson R.   Hart F.C.   in INTER-NOISE and NOISE-CON Congress and Conference Proceedings

ISSN:0736-2935|1973|1|446-449

Institute of Noise Control Engineering‎(1973)‎

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