Yearbook on space policy 2017 security in outer space :rising stakes for civilian space programmes von Burger, Edward, Bordacchini, Giulia

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Making up your own mind thinking effectively through creative puzzle-solving von Burger, Edward B. 1963-

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The 5 elements of effective thinking von Burger, Edward B. 1963-, Starbird, Michael

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Coincidences, chaos, and all that math jazz making light of weighty ideas von Burger, Edward B. 1963-