Lian N, Chang X, Zhen H, Wang S, Dong Y, Lai S. Synthesis and efficiency of a chelating fiber for preconcentration and separation of trace Au(III) and Pd(IV) from solution samples. Ann Chim. 2005 Sep;95(9-10):677–83. doi: 10.1002/adic.200590078. PMID: 16342739.