Grund, S. C.; Hanusch, K.; Wolf, H. U. (2005), "Arsenic and Arsenic Compounds", Ullmann's Encyclopedia of Industrial Chemistry, Weinheim: Wiley-VCH, எண்ணிம ஆவணச் சுட்டி:10.1002/14356007.a03_113.pub2{{citation}}: CS1 maint: multiple names: authors list (link)
