Stopwatch (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Stopwatch" in English language version.

refsWebsite

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1researchgate.net

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1web.archive.org

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doi.org

Jain, Aditya; Bansal, Ramta; Kumar, Avnish; Singh, KD (1991). "A comparative study of visual and auditory reaction times on the basis of gender and physical activity levels of medical first-year students". International Journal of Applied and Basic Medical Research. 5 (2): 124–7. doi:10.4103/2229-516X.157168. PMC 4456887. PMID 26097821.

h2g2.com

"The History of the Digital Watch". h2g. Retrieved 28 Oct 2017.

harvard.edu

ipl.physics.harvard.edu

"A Summary of Error Propagation" (PDF). a collage. Archived from the original (PDF) on 13 December 2016. Retrieved 10 October 2017.

nih.gov

ncbi.nlm.nih.gov

Jain, Aditya; Bansal, Ramta; Kumar, Avnish; Singh, KD (1991). "A comparative study of visual and auditory reaction times on the basis of gender and physical activity levels of medical first-year students". International Journal of Applied and Basic Medical Research. 5 (2): 124–7. doi:10.4103/2229-516X.157168. PMC 4456887. PMID 26097821.

pubmed.ncbi.nlm.nih.gov

Jain, Aditya; Bansal, Ramta; Kumar, Avnish; Singh, KD (1991). "A comparative study of visual and auditory reaction times on the basis of gender and physical activity levels of medical first-year students". International Journal of Applied and Basic Medical Research. 5 (2): 124–7. doi:10.4103/2229-516X.157168. PMC 4456887. PMID 26097821.

nist.gov

tf.nist.gov

Gust, Jeff C.; Graham, Robert M.; Lombardi, Michael A. (January 2009). "Stopwatch and Timer Calibrations (2009 edition)" (PDF). Retrieved 10 October 2017. {{cite journal}}: Cite journal requires |journal= (help)

researchgate.net

"Reliability and Accuracy of Handheld Stopwatches Compared With Electronic Timing in Measuring Sprint Performance". Retrieved 28 Oct 2017.

web.archive.org

"A Summary of Error Propagation" (PDF). a collage. Archived from the original (PDF) on 13 December 2016. Retrieved 10 October 2017.