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101 0 $aeng
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105   $ay-------001yy
200 1 $a<<A >>history of colonization on the western coast of Africa$fby Archibald Alexander
205   $aRist.
210   $aNew York$cNegro Universities Press$d1969
215   $aXII, 603 p.$d22 cm
324   $aRist. dell'ed.: Philadelphia : William S. Martien, 1846
610 0 $aColonizzazione$aAfrica
676   $a325.3$v18$zita
676   $a960.3$v21$zita
700  1$aAlexander,$bArchibald$0397063
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952   $a960.3 ALE 1$bANT. G.R. 1879$fFLFBC
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996   $aHistory of colonization on the western coast of Africa$9539606
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181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aTactical aircraft spacing -- en route (TAS-E) $econcept overview /$fRyan C. Chartrand [and three others]
210  1$aHampton, Virginia :$cNational Aeronautics and Space Administration, Langley Research Center,$dFebruary 2021.
215   $a1 online resource (iv, 39 pages, 1 unnumbered page) $cillustrations (some color)
225 1 $aNASA/TM ;$v20210000481
300   $a"February 2021."
320   $aIncludes bibliographical references (page 17).
517   $aTactical aircraft spacing -- en route 
606   $aAir transportation$2nasat
606   $aAir traffic control$2nasat
606   $aTrajectory analysis$2nasat
615  7$aAir transportation.
615  7$aAir traffic control.
615  7$aTrajectory analysis.
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712 02$aLangley Research Center,
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