http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Studies on the use of nano zinc oxide and modified silica in NR, CR and SBR (Thesis)
P. M Sabura Begum; guided by K.K. Mohammed Yusuff and Rani Joseph
Nano zinc oxides - natural rubber compounds