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 - Expert Group Meeting on Acquisition of Marine Surveying Technologies, (1987 : Addis Ababa, Ethiopia); United Nations. Economic Commission for Africa; United Nations. Department of International Economic and Social Affairs (New York : United Nations, 1988)
"ST/ESA/202."
"United Nations publication sales no. E.88.II.A.19"--T.p. verso.
Includes bibliographical references.
Keywords: Marine resources -- Congresses