Journal article (2014) - S Ramachandran (author) , R Latsuzbaia (author) , KNK Kowlgi (author) , JJC Geerlings (author) , Letian Zhang (author) , UL Lafont (author) , B Norder (author) , S. J. Picken (author) , Ger J.M. Koper (author)