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.
3 without a DOI — not checked. A reference
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A method to compare groundwater cleanup technologies
The 3 references without a DOI — listed, not checked
no DOI — not checkedDoD (Department of Defense). 1995. DoD Instruction 7041.3: Economic Analysis for Decision-Making. November 7, 1995.
http://www.dtic.mil/whs/directives/corres/pdf/704103p.pdf
. Accessed June 12, 2008.
no DOI — not checkedOMB (Office of Management and Budget). 2008. Discount Rates for Cost-Effectiveness, Lease, Purchase and Related Analysis.
http://www.whitehouse.gov/omb/circulars/a094/a94_appx-c.html
. Accessed June 12, 2008.
no DOI — not checkedUSACE/USEPA (U.S. Army Corps of Engineers/U.S. Environmental Protection Agency). 2000. A Guide to Developing and Documenting Cost Estimates during the Feasibility Study. EPA-540-R-00-002/OSWER 9355.0-75. July.
http://www.epa.gov/superfund/policy/remedy/pdfs/finaldoc.pdf
. Accessed June 12, 2008.
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or importance of the work itself, and nothing about references deposited without a DOI.
checked 2026-07-22 — re-checked daily as this page is visited;
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