Ueber das Harz von Dammara orientalis (Manila-Copal), und, Ueber das siebenbürgische Resina Pini von Picea vulgaris (Link)
by M. Koch
DammaraGums and resinsPinaceaePicea vulgarisAnalysisManila copalAgathis
Writing a summary for young readers…
For young readers
Book data: Open Library