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G. A. THIEL
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Journal Article
Published: 01 September 1951
GSA Bulletin (1951) 62 (9): 1017–1078.
Journal Article
Published: 01 January 1941
GSA Bulletin (1941) 52 (1): 49–60.
Journal Article
Published: 01 October 1940
GSA Bulletin (1940) 51 (10): 1429–1538.
Journal Article
Published: 01 October 1939
GSA Bulletin (1939) 50 (10): 1535–1552.