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NACA and NASA, Part I

Authors: Relly Victoria Virgil Petrescu and Florian Ion Tiberiu Petrescu

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NACA and NASA, Part II

Authors: Relly Victoria Virgil Petrescu and Florian Ion Tiberiu Petrescu

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About Aviation

Authors: Florian Ion Tiberiu Petrescu and Relly Victoria Virgil Petrescu

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The Modern Flight of Tomorrow

Authors: Relly Victoria Virgil Petrescu and Florian Ion T. Petrescu

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China Part I

Authors: FIT Petrescu and RVV Petrescu

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V Engines Design

Authors: Florian Ion T. Petrescu and Relly Victoria V. Petrescu

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What is a UFO?

Authors: Florian Ion Tiberiu Petrescu and Relly Victoria V. Petrescu

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Geothermal Energy

Authors: Relly Victoria V. Petrescu and Florian Ion T. Petrescu Geothermal power requires no fuel (except for pumps), and is therefore immune to fuel cost fluctuations.

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Military aviation, Part II

Authors: Relly Victoria Virgil Petrescu and Florian Ion Tiberiu Petrescu

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Aviation History, Part I

Authors: Relly Victoria V. Petrescu and Florian Ion T. Petrescu

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Aviation History, Part III

Authors: Relly Victoria Virgil Petrescu & Florian Ion Tiberiu Petrescu

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Aviation History, Part II

Authors: Relly Victoria V. Petrescu and Florian Ion T. Petrescu

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NACA and NASA, Part XII

Authors: Relly Victoria Virgil Petrescu and Florian Ion Tiberiu Petrescu

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NACA and NASA, Part XI

Authors: Relly Victoria Virgil Petrescu and Florian Ion Tiberiu Petrescu

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NACA and NASA, Part X

Authors: Relly Victoria Virgil Petrescu and Florian Ion Tiberiu Petrescu

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