| http://www.w3.org/ns/prov#value | - yas (YD), especially the eastern route from glacial Lake Agassiz...Tree-ring ??18O in African mahogany (Entandrophragma utile) records regional precipitation and can be used for climate reconstructionsApril 2015Peter van der Sleen | Peter Groenendijk | Pieter A. ZuidemaThe availability of instrumental climate data in West and Central Africa is very restricted, both in space and time.
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