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005 20190129130936.0
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040 _cNARA
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_aIOC
245 _aIOC Training Course for the Global Sea Level Observing SySTEM(GLOSS)directed to the African and South American Portuguese and Spanish-Speaking Countries.Training Course Report No.20
260 _aSao Paulo,
_bUNESCO,
_c1993,
300 _a1-13p.
_c29cm.
942 _cIOTC