@misc{indiciae624ffcebe259, title = {New stratigraphic data from the Erlian Basin : implications for the division, correlation, and definition of Paleogene lithological units in Nei Mongol (Inner Mongolia) / American Museum novitates — Illustration, Page 9}, year = {2007}, url = {https://www.biodiversitylibrary.org/page/59826712}, note = {Source identifier: page-59826712} }