Anderson, Benedict
Imagined communities
Verso, 2016
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Strakosch, George R.
Vertical transportation : elevators and escalators
John Wiley & Sons, 1983
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The vertical transportation handbook
edited by George R. Strakosch, Robert S. Caporale
John Wiley & Sons, 2010
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Kirst-Ashman, Karen Kay
Generalist practice with organizations and communities
Thomson , 2006
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Yanchun, Zhang
Web Communities: analysis and construction
Springer-Verlag , 2006
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