共 15 条
- [1] FRAUENFELDER KOH, 1924, SUOMEN GEOL KOM GEOT, V38
- [2] GAVELIN S, 1945, SVERIGES GEOL UNDE C, V469
- [3] GAVELIN S, 1939, SVERIGES GEOL UNDE C, V424
- [4] GEIJER P, 1944, SVERIGES GEOL UNDE C, V35
- [5] GEIJER P, 1931, SVERIGES GEOL UNDE C, V366
- [6] HOGBOM A, 1935, SVERIGES GEOL UNDE C, V389
- [7] LINDROTH GT, 1918, GEOL FOREN STOCKHOLM, V40, P27
- [8] Variations in the relative abundance of the carbon isotopes [J]. PHYSICAL REVIEW, 1941, 59 (09): : 771 - 772
- [10] RANKAMA K, 1948, GEOL SOC AM BULL, V59, P389, DOI 10.1130/0016-7606(1948)59[389:NEOTOO]2.0.CO