»Anvisning pa malm och bergarter uti storfurstendömet Finland», osat I ja II, ilmestyivät vuosina 1824 ja 1825...mineraaleista teoksessaan »Beskrifning öfver de i Finland fun na mineralien>, jonka ensimmäinen painos ilmestyi...our knowledge of the geology and the minerals of Finland has increased tremendously, but the data collected...the need for an index of minerals occurring in Finland and for some source of information on the works...from my post as head of the Geological Survey of Finland, I began to compile a reference work designed to |