Ethyl Corporation (English Wikipedia)

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

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2web.archive.org

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1semanticscholar.org

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1fundinguniverse.com

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archive.org (Global: 6^th place; English: 6^th place)

Bill Bryson (2003). A Short History of Nearly Everything. New York: Broadway Books. ISBN 0-7679-0817-1.

doi.org (Global: 2^nd place; English: 2^nd place)

Kovarik, W. (2005). "Ethyl-leaded gasoline: how a classic occupational disease became an international public health disaster" (PDF). Int J Occup Environ Health. 11 (4): 384–97. doi:10.1179/oeh.2005.11.4.384. PMID 16350473. S2CID 44633845. Archived from the original (PDF) on 11 July 2014.

ethyl.com (Global: low place; English: low place)

"About Ethyl - Ethyl Corporation". www.ethyl.com.
"Locations - Ethyl Corporation". www.ethyl.com.

fundinguniverse.com (Global: 1,333^rd place; English: 957^th place)

Ethyl Corporation History, Funding Universe, 1995, retrieved August 10, 2021

nap.edu (Global: 2,128^th place; English: 1,553^rd place)

Ralph Landau, "Charles Allen Thomas," Memorial Tributes, vol. 2, National Academy of Engineering

nih.gov (Global: 4^th place; English: 4^th place)

pubmed.ncbi.nlm.nih.gov

Kovarik, W. (2005). "Ethyl-leaded gasoline: how a classic occupational disease became an international public health disaster" (PDF). Int J Occup Environ Health. 11 (4): 384–97. doi:10.1179/oeh.2005.11.4.384. PMID 16350473. S2CID 44633845. Archived from the original (PDF) on 11 July 2014.

radford.edu (Global: 7,447^th place; English: 4,622^nd place)

Kovarik, W. (2005). "Ethyl-leaded gasoline: how a classic occupational disease became an international public health disaster" (PDF). Int J Occup Environ Health. 11 (4): 384–97. doi:10.1179/oeh.2005.11.4.384. PMID 16350473. S2CID 44633845. Archived from the original (PDF) on 11 July 2014.
Kovarik, Bill. "Charles F. Kettering and the 1921 Discovery of Tetraethyl Lead In the Context of Technological Alternatives Archived July 8, 2006, at the Wayback Machine", presented to the Society of Automotive Engineers Fuels & Lubricants Conference, Baltimore, Maryland., 1994; revised in 1999.

sec.gov (Global: 572^nd place; English: 436^th place)

"NewMarket Corporation 2021 Form 10-K". www.sec.gov. Retrieved 2022-06-12.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Kovarik, W. (2005). "Ethyl-leaded gasoline: how a classic occupational disease became an international public health disaster" (PDF). Int J Occup Environ Health. 11 (4): 384–97. doi:10.1179/oeh.2005.11.4.384. PMID 16350473. S2CID 44633845. Archived from the original (PDF) on 11 July 2014.

web.archive.org (Global: 1^st place; English: 1^st place)

Kovarik, W. (2005). "Ethyl-leaded gasoline: how a classic occupational disease became an international public health disaster" (PDF). Int J Occup Environ Health. 11 (4): 384–97. doi:10.1179/oeh.2005.11.4.384. PMID 16350473. S2CID 44633845. Archived from the original (PDF) on 11 July 2014.
Kovarik, Bill. "Charles F. Kettering and the 1921 Discovery of Tetraethyl Lead In the Context of Technological Alternatives Archived July 8, 2006, at the Wayback Machine", presented to the Society of Automotive Engineers Fuels & Lubricants Conference, Baltimore, Maryland., 1994; revised in 1999.

youtube.com (Global: 9^th place; English: 13^th place)

Veritasium (22 April 2025). "The Man Who Accidentally Killed The Most People In History". YouTube. Retrieved 10 November 2025.