Aggarwal, R and Lucey, BM (2007). Psychological barriers in gold prices?. Review of Financial Economics 16, pp. 217–230.
This work cites the following items of the Benford Online Bibliography:
De Ceuster, MJK, Dhaene, G and Schatteman, T (1998). On the hypothesis of psychological barriers in stock markets and Benford’s law. Journal of Empirical Finance 5(3), pp. 263-279. DOI:10.1016/S0927-5398(97)00024-8.