![](http://www.alamy.com/thumbs/6/47CCFAFA-98DD-44A1-B271-2D17E7F87F21/MCPK2H.jpg)
. Fig. 16J. Querschniltsansicht des ringporigen Holzes der Esche (Fraximis cjccclsior), Saal vergrößert. (Nach R. Hartig.)
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Keywords: ., bookcentury1900, bookdecade1910, bookp, booksubjectbotanyeconomic