Biodiversity Heritage Library
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By "Rafn, Johannes, 1854-"
The testing of forest seeds during 25 years, 1887-1912.
By: Rafn, Johannes, - Story, Fraser - Thomson, Thomas. - Skovfrökontoret.
Publication info: Copenhagen,Langkjærs Bogtrykkeri,1915
Holding Institution: University of California Libraries (archive.org)