By Mitchell Harry W.   in Journal of the American Helicopter Society

ISSN:2161-6027|6|4|3-7

AHS International‎(1961)‎

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By Mitchell Harry   Tallentyre Freda   in Education + Training

ISSN:0040-0912|30|5|11-14

Emerald Group Publishing Ltd‎(1993)‎

Access to resources Favorite 11.965834