Shen, Jiaheng, Pearson, Ann, Henkes, Gregory A., Zhang, Yi Ge, Chen, Kefan, Li, Dandan, Wankel, Scott D., Finney, Stanley C., and Shen, Yanan. Improved efficiency of the biological pump as a trigger for the Late Ordovician glaciation. Retrieved from https://par.nsf.gov/biblio/10114996. Nature Geoscience 11.7 Web. doi:10.1038/s41561-018-0141-5.

Shen, Jiaheng, Pearson, Ann, Henkes, Gregory A., Zhang, Yi Ge, Chen, Kefan, Li, Dandan, Wankel, Scott D., Finney, Stanley C., & Shen, Yanan. Improved efficiency of the biological pump as a trigger for the Late Ordovician glaciation. Nature Geoscience, 11 (7). Retrieved from https://par.nsf.gov/biblio/10114996. https://doi.org/10.1038/s41561-018-0141-5

Shen, Jiaheng, Pearson, Ann, Henkes, Gregory A., Zhang, Yi Ge, Chen, Kefan, Li, Dandan, Wankel, Scott D., Finney, Stanley C., and Shen, Yanan. "Improved efficiency of the biological pump as a trigger for the Late Ordovician glaciation". Nature Geoscience 11 (7). Country unknown/Code not available. https://doi.org/10.1038/s41561-018-0141-5. https://par.nsf.gov/biblio/10114996.

@article{osti_10114996,
place = {Country unknown/Code not available}, title = {Improved efficiency of the biological pump as a trigger for the Late Ordovician glaciation}, url = {https://par.nsf.gov/biblio/10114996}, DOI = {10.1038/s41561-018-0141-5}, abstractNote = {}, journal = {Nature Geoscience}, volume = {11}, number = {7}, author = {Shen, Jiaheng and Pearson, Ann and Henkes, Gregory A. and Zhang, Yi Ge and Chen, Kefan and Li, Dandan and Wankel, Scott D. and Finney, Stanley C. and Shen, Yanan}, }