Twenty-third Session of the Executive Council, Paris, 7-14 March 1990
(1990). Twenty-third Session of the Executive Council, Paris, 7-14 March 1990. Reports of Governing and Major Subsidiary Bodies = Rapports des organes directeurs et des principaux organes subsidiaires. Intergovernmental Oceanographic Commission (IOC) = Commision océanographique intergouvernementale, 31. IOC: Paris. ii, 24 + annexes pp.
Deel van: Reports of Governing and Major Subsidiary Bodies = Rapports des organes directeurs et des principaux organes subsidiaires. Intergovernmental Oceanographic Commission (IOC) = Commision océanographique intergouvernementale. UNESCO: Paris, meer
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