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Quieter helicopters.

• Source: Noise & Vibration Worldwide. Mar2009, Vol. 40 Issue 3, p13-14. 2p. 1 Black and White Photograph.

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"What's That Falling from the Sky? Oh, It's Just a Helicopter and, You Know What, It Will Probably Only Injure Itself ": The Fifth Circuit's Application of the East River Doctrine in Turbomeca, S.A. v. ERA Helicopters, LLC.

• Authors : Keslar, Timothy

• Source: Tulane Maritime Law Journal. Jun2009, Vol. 33 Issue 2, p527-538. 12p.

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LQR-Based Trajectory Control Of Full Envelope, Autonomous Helicopter.

• Authors : Franko, Semuel¹

• Source: World Congress on Engineering 2009 (Volume 1). 2009, p351-356. 6p. 5 Diagrams, 1 Chart, 7 Graphs.

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Use of Noise Barriers for Helicopter Noise Mitigation.

• Authors : Menounou, Penelope¹ ; Papaefthymiou, Evangelos¹

• Source: Noise & Vibration in Industry. Jul-Sep2009, Vol. 23 Issue 4, p109-122. 14p. 1 Diagram, 1 Chart, 11 Graphs.

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The Can-Do Choppers.

• Authors : Braybrook, Roy

• Source: Armada International. Jun/Jul2009, Vol. 33 Issue 3, p44-48. 4p.

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Optical Flow for Heading Estimation of a Quadrotor Helicopter.

• Authors : Stowers, John¹ ; Bainbridge-Smith, Andrew¹; Hayes, Michael¹

• Source: International Journal of Micro Air Vehicles. Dec2009, Vol. 1 Issue 4, p229-239. 11p. 5 Black and White Photographs, 3 Diagrams.

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Autonomous Flight in Unknown Indoor Environments.

• Authors : Bachrach, Abraham¹ ; Ruijie He¹ ; Roy, Nicholas¹

• Source: International Journal of Micro Air Vehicles. Dec2009, Vol. 1 Issue 4, p217-228. 12p. 2 Color Photographs, 2 Diagrams, 1 Graph, 4 Maps.

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THE DUKE UNIVERSITY HELICOPTER OBSERVATION PLATEFORM.

• Authors : Avissar, Roni; Holder, Heidi E.; Abehserra, Nathan

• Source: Bulletin of the American Meteorological Society. Jul2009, Vol. 90 Issue 7, p939-954. 16p. 2 Color Photographs, 5 Graphs.

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Use of Noise Barriers for Helicopter Noise Mitigation.

• Authors : Menounou, Penelope¹ ; Papaefthymiou, Evangelos¹

• Source: Noise & Vibration Worldwide. May2009, Vol. 40 Issue 5, p10-21. 12p. 2 Diagrams, 1 Chart, 10 Graphs.

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MASTERS OF RESCUE.

• Authors : Thompson, Kalee

• Source: Popular Mechanics. Apr2009, Vol. 186 Issue 4, p82-85. 4p. 2 Color Photographs.

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