%A United Nations. Dept. of International Economic and Social Affairs %A United Nations. Economic Commission for Africa %A Expert Group Meeting on Acquisition of Marine Surveying Technologies %T 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 %I United Nations %D 1988 %U https://ci.nii.ac.jp/ncid/BA06744605

AltStyle によって変換されたページ (->オリジナル) /