Ungar, Eric E.
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Additional Information
Exact Matching Concepts from Other Schemes
Sources
- found: Floor vibrations due to human activity, c1997:t.p. (Eric E. Ungar, ScD, P.E.; Chief Engineering Scientist, Acentech Inc., Cambridge, Mass., USA)
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Change Notes
- 2001-11-13: new
- 2001-11-14: revised
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