Analysis of trace impurities in palladium metal powders by glow discharge mass spectrometry - Journal of Analytical Atomic Spectrometry (RSC Publishing)
https://pubs.rsc.org/en/content/articlelanding/1996/ja/ja9961100861Genuine Gold leaf : Palladium leaf Transfer leaf
https://www.goldleaf.com.au/gold-and-silver-leaf/genuine-gold-leaf/palladium-leaf-transfer-leaf.htmlThe Devil in The Details: The Influence of Trace Metal Contaminants in Modern Organometallic Catalysis
https://chemistry.illinois.edu/system/files/inline-files/MacorAbstract.pdfThe Lure of a Better Life, Amid Cold and Darkness - The New York Times
https://www.nytimes.com/interactive/2017/12/03/world/europe/norilsk-arctic.html