The paleontology of the Zorritos formation of the north Peruvian oil fields (Page 191) BHL19067122.jpg
Spieker, Edmund M.
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The paleontology of the Zorritos formation of the north Peruvian oil fields (Page 191) BHL19067122, The paleontology of the Zorritos formation of the north Peruvian oil fields, Biodiversity Heritage Library maintenance
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The paleontology of the Zorritos formation of the north Peruvian oil fields (Page 191) BHL19067122, The paleontology of the Zorritos formation of the north Peruvian oil fields,  by Edmund M. Spieker.
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北ペルー油田のゾリトス層形成の古生物学[page 191]BHL19067122、北ペルー油田のゾリトス層形成の古生物学、生物多様性遺産図書館のメンテナンス
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北ペルー油田のゾリトス形成の古生物学(Page 191) BHL19067122、エドマンド・M・シュピーカー著。
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oil well paleontology