Reference health
Exponential Growth and the Shifting Global Center of Gravity of Science Production, 1900–2011
4/4 checkable references clean · checked 2026-07-23
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 retraction, withdrawal, or removal notice.
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The 4 checked references that resolve
The 5 references without a DOI — listed, not checked
no DOI — not checkedScience since Babylon.
no DOI — not checkedLittle science, big science, and beyond.
no DOI — not checkedUrban world: Cities and the rise of the consuming class.
no DOI — not checkedTo advance knowledge: The growth of American research universities, 1900–1940.
no DOI — not checkedKnowledge, networks, and nations: Global scientific collaborations in the 21 century.
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work were clean at the dated check: each resolved to a known work in a public registry, and none
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or importance of the work itself, and nothing about references deposited without a DOI.
checked 2026-07-23 — re-checked daily as this page is visited; titles and statuses come from Crossref and DataCite and are not part of the signed record
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