*UNTERSUCHUNGEN ZUR GEOCHEMIE DES ZINKS

[11] CLARKE FW, 1914, RELATIVE ABUNDANCE S, V4, P58

[12] Clarke FW, 1924, COMPOSITION EARTHS C, P127

[13] The desintegration of silicate [J]. NATURWISSENSCHAFTEN, 1940, 28 : 369 - 376

[14] DIE GEOCHEMISCHE BILANZ [J]. NATURWISSENSCHAFTEN, 1948, 35 (01) : 7 - 12

[15] CORRENS CW, 1945, EINFUHRUNG MINERALOG

[16] CORRENS CW, 1937, WISS EREBNISSE DTSCH

[17] DOELTER C, 1 NAT GEOGR SOC CONT, V3, P157

[18] DROSIN W, 1949, THESIS GOTTINGEN

[19] EITEL W, 1920, ZBL MIN A, P273

[20] ERAMETSA O, 1945, ANN ACAD SCI FENNI A, pR2

[11] CLARKE FW, 1914, RELATIVE ABUNDANCE S, V4, P58

[12] Clarke FW, 1924, COMPOSITION EARTHS C, P127

[13] The desintegration of silicate [J]. NATURWISSENSCHAFTEN, 1940, 28 : 369 - 376

[14] DIE GEOCHEMISCHE BILANZ [J]. NATURWISSENSCHAFTEN, 1948, 35 (01) : 7 - 12

[15] CORRENS CW, 1945, EINFUHRUNG MINERALOG

[16] CORRENS CW, 1937, WISS EREBNISSE DTSCH

[17] DOELTER C, 1 NAT GEOGR SOC CONT, V3, P157

[18] DROSIN W, 1949, THESIS GOTTINGEN

[19] EITEL W, 1920, ZBL MIN A, P273

[20] ERAMETSA O, 1945, ANN ACAD SCI FENNI A, pR2