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| Utgitt
| Dallas, Tex. : Society of Economic Paleontologists and Mineralogists , 1975
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| Omfang
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| Opplysninger
| "Lecture notes for Short course no. 2 sponsored by the Society of Economic Paleontologists and Mineralogists and given in Dallas, April 5, 1975."
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| Emner
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| Sjanger
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