Plus–minus sign (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Plus–minus sign" in English language version.

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archive.org

  • Cajori, Florian (1928), A History of Mathematical Notations, Volume I: Notations in Elementary Mathematics, Open Court, p. 245.

books.google.com

doi.org

merriam-webster.com

nih.gov

pubmed.ncbi.nlm.nih.gov

semanticscholar.org

api.semanticscholar.org

worldcat.org

search.worldcat.org

  • Naess, I. A.; Christiansen, S. C.; Romundstad, P.; Cannegieter, S. C.; Rosendaal, F. R.; Hammerstrøm, J. (2007). "Incidence and mortality of venous thrombosis: a population-based study". Journal of Thrombosis and Haemostasis. 5 (4): 692–699. doi:10.1111/j.1538-7836.2007.02450.x. ISSN 1538-7933. PMID 17367492. S2CID 23648224.
  • Heit, J. A.; Silverstein, M. D.; Mohr, D. N.; Petterson, T. M.; O'Fallon, W. M.; Melton, L. J. (1999-03-08). "Predictors of survival after deep vein thrombosis and pulmonary embolism: a population-based, cohort study". Archives of Internal Medicine. 159 (5): 445–453. doi:10.1001/archinte.159.5.445. ISSN 0003-9926. PMID 10074952.