01078cam a22002771 4500001001300000003000400013005001700017008004100034010001700075035002000092040004400112042001200156050003200168082001300200100002200213245009200235260007000327300004500397490012000442504003200562650002100594650002100615740004900636830005000685830006500735gs 41000087 DLC20260227111346.0891025s1939 sw a b 000 0 eng c ags 41000087 a(OCoLC)20546778 aU.S. Geol. survey. LibrarycCUdCUdDLC apremarc00aQE282b.A3 ser. C., no. 427 a554.85 s1 aWickman, Frans E.00aSome graphs on the calculation of geological age,cby Frans E. Wickman. With one plate. aStockholm,bKungl. Boktryckeriet, P.A. Norstedt & Söner,c1939. a8 p. incl. tables.bfold. diagr.c24 cm.1 a[Sweden] Sveriges geologiska undersökning. Ser. c. Avhandlingar och uppsatser.vn:o 427. Årsbok 33 (1939) n:o 7 aBibliographical foot-notes. 0aGeological time. 0aGraphic methods.0 aGraphs on the calculation of geological age. 0aSer. C--Avhandlingar och uppsatser.vn:o 427. 0aÅrsbok (Sveriges geologiska undersökning) ;v33 : n:o 7.