@misc{indiciaea78ea991bafc, 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 8}, year = {2007}, url = {https://www.biodiversitylibrary.org/page/59826711}, note = {Source identifier: page-59826711} }