Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a publisher retraction,
withdrawal, or removal notice.
The 13 references without a DOI — listed, not checked
no DOI — not checkedGradzinski, R., Kielan-Jaworowska, Z. & Maranska, T. Acta Geol. Pol. 27, 281–317 (1977).
no DOI — not checkedBerkey, C. P. & Morris, F. K. Geology of Mongolia, Natural History of Central Asia Vol. II, 1–475 (Am. Mus. Nat. Hist., New York, 1927).
no DOI — not checkedAndrews, R. C. The New Conquest of Central Asia, Natural History of Central Asia Vol. I, i-xlix, 1–678 (Am. Mus. Nat. Hist., New York, 1932).
no DOI — not checkedLefeld, J. Paleont. Pol. 25, 101–127 (1971).
no DOI — not checkedOsmolska, H. Mém. Soc. géol. Fr. 139, 145–150 (1980).
no DOI — not checkedBarsbold, R. Joint Sov. Mong. Pal. Exp. Trans. 4, 34–47 (1977).
no DOI — not checkedKrause, D. W. & Jenkins, F. S. Jr Bull. Mus. comp. Zool. 150, 199–246 (1983).
no DOI — not checkedKielan-Jaworowska, Z. Palaeont. Pol. 46, 173–183 (1984).
no DOI — not checkedClemens, W. A., Lillegraven, J. A., Lindsey, E. H. & Simpson, G. G. in Mesozoic Mammals: the First Two-thirds of Mammalian History (eds Lillegraven, J. A., Kielan-Jaworowska, Z. & Clemens, W. A.) 7–58 (Univ. California Press, Berkeley, 1979).
no DOI — not checkedKielan-Jaworowska, J. Palaeont. Pol. 30, 23–44 (1974).
no DOI — not checkedClemens, W. A. & Kielan-Jaworowska, J. in Mesozoic Mammals: the First Two-thirds of Mammalian History (eds Lillegraven, J. A., Kielan-Jaworowska, Z. & Clemens, W. A.) 98–149 (Univ. California Press, Berkeley, 1979).
no DOI — not checkedOsborn, H. F. Am. Mus. Novitates 144, 1–12 (1924).
no DOI — not checkedNorell, M. A., Chiappe, L. M. & Clark, J. M. Nat. Hist. 102, 38–42 (1993).
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