Grasa (lubricante) (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Grasa (lubricante)" in Spanish language version.

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barks.com

books.google.com

doi.org

dx.doi.org

nih.gov

ncbi.nlm.nih.gov

  • Gottlieb, Hugo E.; Kotlyar, Vadim; Nudelman, Abraham (1997). «NMR Chemical Shifts of Common Laboratory Solvents as Trace Impurities». The Journal of Organic Chemistry 62 (21): 7512-7515. PMID 11671879. doi:10.1021/jo971176v. 

norden.org

  • Use of ozone depleting substances in laboratories. TemaNord 2003:516. «Archived copy». Archivado desde el original el 27 de febrero de 2008. Consultado el 28 de marzo de 2011. 

reedmaster.com

web.archive.org