Reference health
Developing Indicators for Comprehensive and Sustainable Transport Planning
1 of 3 checkable references need attention · checked 2026-08-25
At the dated check, the references listed below either did not resolve in Crossref or DataCite, or carried a retraction notice. Each one is shown with the registry record that put it there.
13 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
References needing attention
does not resolve to a known work10.3141/1956-03
The 2 checked references that resolve
resolves10.1177/088541229500900401
The Many Meanings of Sustainability: Introduction to a Special Issue of JPL
The 13 references without a DOI — listed, not checked
no DOI — not checkedbibr1-2017-02
no DOI — not checkedbibr2-2017-02
no DOI — not checkedbibr4-2017-02
no DOI — not checkedbibr6-2017-02
no DOI — not checkedbibr7-2017-02
no DOI — not checkedTRB Special Report 251: Toward a Sustainable Future: Addressing the Long-Term Effects of Motor Vehicle Transportation on Climate and Ecology. TRB, National Research Council, Washington, D.C., 1997.
no DOI — not checkedSustainable Transportation Performance Indicators. Centre for Sustainable Transportation, University of Winnipeg, Manitoba, Canada, 2005. cst.uwinnipeg.ca/completed.html.
no DOI — not checkedMoving on Sustainable Transportation. Transport Canada, Ottawa, Ontario, Canada, 1999. www.tc.gc.ca/envaffairs/most.
no DOI — not checkedbibr11-2017-02
no DOI — not checkedbibr12-2017-02
no DOI — not checkedbibr13-2017-02
no DOI — not checkedbibr14-2017-02
no DOI — not checkedbibr15-2017-02
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