1 of 20 checkable references need attention · checked 2026-07-23
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.
15 without a DOI — not checked. A reference
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References needing attention
does not resolve to a known work10.12989/sss.2018.21.3.287
Evaluation of Charging Efficiency for Power Management Integrated Circuits and Their Compatibility with Indoor Light Energy Harvesting Devices for IoT Sensors
On-Demand AoI Minimization in Resource-Constrained Cache-Enabled IoT Networks With Energy Harvesting Sensors
The 15 references without a DOI — listed, not checked
no DOI — not checkedM.
Ishikiriyama
, Patent JPH08321642A (1996).
no DOI — not checkedSee
https://www.pavegen.com/en/case-studies for “
Case studies” (accessed December 21, 2023).
no DOI — not checked2024031413544707500_c7
no DOI — not checkedSee
https://www.hitachirail.com/products-and-solutions/operation-service-and-maintenance/intelligent-asset-management/ for “
Intelligent Asset Management” (accessed December 21, 2023).
no DOI — not checkedS.
Roberts
, Patent GB2435552A (2007).
no DOI — not checkedM.
Pukari
and
H.Jokinen, Patent US20120111072A1 (2012).
no DOI — not checkedSee
https://www.iloq.com/en/ for “
Battery-free digital and mobile locking” (accessed December 21, 2023).
no DOI — not checkedSee
https://piezo.com/collections/piezoelectric-energy-harvesters?_=pf&pf_t_quantity=quantity__1 for “
Piezoelectric energy harvester components” (accessed December 21, 2023).
no DOI — not checkedH.
Kulah
,
N.Goksu, and
L.Beker, Patent US20140303688A1 (2014).
no DOI — not checkedG. Cire, see https://Pronews.Cochlear.Com/Piezoelectric-Stimulation for “
What is piezoelectric stimulation and why does it matter?” (accessed February 5, 2024).
no DOI — not checkedPavegen, see https://youtu.be/opd1jg8mbqu for “
World's first smart street, London WC1” (accessed December 12, 2023).
no DOI — not checkedNordic Conference on Digital Health and Wireless Solutions
no DOI — not checked2024031413544707500_c32
no DOI — not checkedInternet of Things (IoT) Predictions Outlook
no DOI — not checked2024031413544707500_c35
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