By Houston Stewart   in Disability & Society

ISSN:1360-0508|19|4|307-321

Routledge Ltd‎(2004)‎

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By Thomson Douglas G.   Houston Stewart S.   Spathopoulos Vassilios M.   in Journal of the American Helicopter Society

ISSN:2161-6027|50|4|295-301

AHS International‎(2005)‎

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