Otto Bayer (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Otto Bayer" in Spanish language version.

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bayer.de

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dx.doi.org

  • Bayer, Otto (1947). «Das Di-Isocyanat-Polyadditionsverfahren (Polyurethane)». Angewandte Chemie (en alemán) 59 (9): 257-272. doi:10.1002/ange.19470590901. ; Patente alemana 728.981 (1937) I.G. Farben