Decibel (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Decibel" in Portuguese language version.

refsWebsite

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3books.google.com

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2harvard.edu

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2archive.org

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2nist.gov

355^th place

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2planalto.gov.br

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1analog.com

low place

1web.archive.org

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1iso.org

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1doi.org

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1bipm.org

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1iec.ch

3,758^th place

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analog.com

designtools.analog.com

Utilities : V_RMS / dBm / dBu / dBV calculator, Analog Devices, consultado em 16 de setembro de 2016

archive.org

Yost, William (1985). Fundamentals of Hearing: An Introduction Second ed. [S.l.]: Holt, Rinehart and Winston. p. 206. ISBN 978-0-12-772690-8. […] a pressure ratio of 1.122 equals + 1.0 dB […]
Yost, William (1985). Fundamentals of Hearing: An Introduction Second ed. [S.l.]: Holt, Rinehart and Winston. p. 206. ISBN 978-0-12-772690-8. […] a pressure ratio of 1.122 equals + 1.0 dB […]

bipm.org

«Meeting minutes» (PDF). Consultative Committee for Units. Section 3

books.google.com

Davis, Don; Davis, Carolyn (1997). Sound system engineering 2nd ed. [S.l.]: Focal Press. p. 35. ISBN 978-0-240-80305-0 .
Hartley, R. V. L. (dezembro de 1928). «'TU' becomes 'Decibel'». AT&T. Bell Laboratories Record. 7 (4): 137–139
100 Years of Telephone Switching, p. 276, no Google Livros, Robert J. Chapuis, Amos E. Joel, 2003

doi.org

dx.doi.org

Horton, J. W. (1954). «The bewildering decibel». Electrical Engineering. 73 (6): 550–555. doi:10.1109/EE.1954.6438830

harvard.edu

ui.adsabs.harvard.edu

Mark, James E. (2007). Physical Properties of Polymers Handbook. [S.l.]: Springer. p. 1025. Bibcode:2007ppph.book.....M. […] the decibel represents a reduction in power of 1.258 times […]
Mark, James E. (2007). Physical Properties of Polymers Handbook. [S.l.]: Springer. p. 1025. Bibcode:2007ppph.book.....M. […] the decibel represents a reduction in power of 1.258 times […]

iec.ch

webstore.iec.ch

«Letter symbols to be used in electrical technology». International Electrotechnical Commission. 19 de julho de 2002. Part 3: Logarithmic and related quantities, and their units. IEC 60027-3, Ed. 3.0

iso.org

ISO 80000-8:2020(en) Quantities and units — Part 8: Acoustics.

nist.gov

physics.nist.gov

Thompson and Taylor 2008, Guide for the Use of the International System of Units (SI), NIST Special Publication SP811 Arquivado em 2016-06-03 no Wayback Machine.
Thompson, A. and Taylor, B. N. sec 8.7, "Logarithmic quantities and units: level, neper, bel", Guide for the Use of the International System of Units (SI) 2008 Edition, NIST Special Publication 811, 2nd printing (November 2008), SP811 PDF

planalto.gov.br

Ernesto Geisel (3 de maio de 1978). «DECRETO No 81.621, DE 3 DE MAIO DE 1978.». Presidência da República — Casa Civil. Consultado em 20 de junho de 2017
«Quadro geral de unidades» (PDF). Presidência da República — Casa Civil. 3 de maio de 1978. Consultado em 20 de junho de 2017

web.archive.org

Thompson and Taylor 2008, Guide for the Use of the International System of Units (SI), NIST Special Publication SP811 Arquivado em 2016-06-03 no Wayback Machine.