P. Pant, R. Bansal, S. Gulati, S. Kumar, and R. Kodwani, “Porous and chelated nanostructured multifunctional materials: recoverable and reusable sorbents for extraction of metal ions and catalysts for diverse organic reactions”, J. Nanostruct. Chem., vol. 6, no. 2 (June 2016), Apr. 2016, doi: 10.1007/s40097-016-0190-5.