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ISSN:2161-6027|1|2|3-11

AHS International‎(1956)‎

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By Douglas L. L.   in Journal of the American Helicopter Society

ISSN:2161-6027|3|1|8-26

AHS International‎(1958)‎

Access to resources Favorite 2.921014

By Glover F.E.   Coffey D.S.   Douglas L.L.   Russell H.   Cadigan M.   Tulloch T.   Wedderburn K.   Wan R.L.   Baker T.D.   Walsh P.C.   in Urology

ISSN:0090-4295|52|3|441-443

Elsevier‎(1998)‎

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