Chronic, J., & Chronic, H. (1958). Bibliography of theses written for advanced degrees in geology and related sciences at universities and colleges in the United States and Canada thro ugh 1957. Pruett Press.
Chicago-Zitierstil (17. Ausg.)Chronic, John, und Halka Chronic. Bibliography of Theses Written for Advanced Degrees in Geology and Related Sciences at Universities and Colleges in the United States and Canada Thro Ugh 1957. Boulder, Colo: Pruett Press, 1958.
MLA-Zitierstil (9. Ausg.)Chronic, John, und Halka Chronic. Bibliography of Theses Written for Advanced Degrees in Geology and Related Sciences at Universities and Colleges in the United States and Canada Thro Ugh 1957. Pruett Press, 1958.
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