TY - BOOK AU - United Nations. Dept. of International Economic and Social Affairs AU - United Nations. Economic Commission for Africa AU - Expert Group Meeting on Acquisition of Marine Surveying Technologies TI - Acquisition of marine surveying technologies, Addis Ababa : report of the Expert Group Meeting on Acquisition of Marine Surveying Technologies, Addis Ababa, 19-23 October 1987 PB - United Nations PY - 1988 EP - v, 176 p. UR - https://ci.nii.ac.jp/ncid/BA06744605 SN - 9211043034 ER -

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